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so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | we have 100 n to the right ; we have 26.95 to the left 100 minus 26.95 100 n that i 'm applying to the right - 26.95 n which is the force of friction to the left always acting against us means that there 's a net force to the right of 73.05 so once we 're moving , we have a net force to the right of 73.05 n this is the... | is coefficient of static friction constant for a particular body ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | how do measure speed by meters per second squared ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | when we calculate the force of budging and force of friction : why do n't we calculate together all the forces - what i mean : f = 100n - 29.4n - 26.95n by that we would get the total force that points to the right - is this wrong ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | we have 100 n to the right ; we have 26.95 to the left 100 minus 26.95 100 n that i 'm applying to the right - 26.95 n which is the force of friction to the left always acting against us means that there 's a net force to the right of 73.05 so once we 're moving , we have a net force to the right of 73.05 n this is the... | how do you find acceleration with coefficient of friction and weight ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | so i have 100 n going that way and i have 26.95 going that way remember , with vectors , i do n't have to draw them here i can draw all of their tails start at the center of mass of the object . i can draw them whatever , but remember this is acting on the object if we want to be precise , we can show it on the center ... | how does friction affect an object sliding on an inclined plane ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | we have 100 n to the right ; we have 26.95 to the left 100 minus 26.95 100 n that i 'm applying to the right - 26.95 n which is the force of friction to the left always acting against us means that there 's a net force to the right of 73.05 so once we 're moving , we have a net force to the right of 73.05 n this is the... | does the coefficient of friction change when the 2 surfaces become tilted ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | is it possible to have negative frictional coefficient ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | we have 100 n to the right ; we have 26.95 to the left 100 minus 26.95 100 n that i 'm applying to the right - 26.95 n which is the force of friction to the left always acting against us means that there 's a net force to the right of 73.05 so once we 're moving , we have a net force to the right of 73.05 n this is the... | does magnitude of kinetic friction depend on the moving body 's velocity and the temperature of the two surfaces ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | we have 100 n to the right ; we have 26.95 to the left 100 minus 26.95 100 n that i 'm applying to the right - 26.95 n which is the force of friction to the left always acting against us means that there 's a net force to the right of 73.05 so once we 're moving , we have a net force to the right of 73.05 n this is the... | and can there be friction in liquids and gases ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | so , in a case where we are given the force of kinetic friction and the mass , how are we able to find the coefficient of static friction if we do n't have the force of static friction ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | we have 100 n to the right ; we have 26.95 to the left 100 minus 26.95 100 n that i 'm applying to the right - 26.95 n which is the force of friction to the left always acting against us means that there 's a net force to the right of 73.05 so once we 're moving , we have a net force to the right of 73.05 n this is the... | is kinetic and dynamic friction the same or it refers to two different things ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | we have 100 n to the right ; we have 26.95 to the left 100 minus 26.95 100 n that i 'm applying to the right - 26.95 n which is the force of friction to the left always acting against us means that there 's a net force to the right of 73.05 so once we 're moving , we have a net force to the right of 73.05 n this is the... | so the total force needed to get the object moving is the sum of the static and kinetic friction ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | we have 100 n to the right ; we have 26.95 to the left 100 minus 26.95 100 n that i 'm applying to the right - 26.95 n which is the force of friction to the left always acting against us means that there 's a net force to the right of 73.05 so once we 're moving , we have a net force to the right of 73.05 n this is the... | why do the coefficients of both static and kinetic friction not have units ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | so the first thing you might realize is if there is no friction if this was a completely frictionless boundary and there is no air resistance , we are assuming that there is no air resistance in this example that in this dimension , in the horizontal dimension there would only be one force here , this 100 n force it wo... | does the magnitude of the force of friction change if the amount of surface of the object that 's in contact with the floor is more or less ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | is this an instantaneous measurement , or is the time that the `` budging force '' needs to be applied measurable ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | we have 100 n to the right ; we have 26.95 to the left 100 minus 26.95 100 n that i 'm applying to the right - 26.95 n which is the force of friction to the left always acting against us means that there 's a net force to the right of 73.05 so once we 're moving , we have a net force to the right of 73.05 n this is the... | why are there different coefficients of friction depending on static vs kinetic ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | we have 100 n to the right ; we have 26.95 to the left 100 minus 26.95 100 n that i 'm applying to the right - 26.95 n which is the force of friction to the left always acting against us means that there 's a net force to the right of 73.05 so once we 're moving , we have a net force to the right of 73.05 n this is the... | okay..so if the accelaration is 14.1 for just that one moment , and then increases to 14.61 , how do we calculate the distance travelled by the block ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | so we can start using the coefficient of kinetic friction it 's the ratio between that and the magnitude of the force of contact between this block and the floor or ground here and the magnitude of that force of contact is the same thing as the normal force that the ground is applying on the block the magnitude of the ... | as far as the two coefficients go , how do you tell when and when not to use them ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | we have 100 n to the right ; we have 26.95 to the left 100 minus 26.95 100 n that i 'm applying to the right - 26.95 n which is the force of friction to the left always acting against us means that there 's a net force to the right of 73.05 so once we 're moving , we have a net force to the right of 73.05 n this is the... | why is maximum static friction greater than kinetic friction ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | i can draw them whatever , but remember this is acting on the object if we want to be precise , we can show it on the center of mass because we can view all of these atoms as one collective object but anyway , what is the net force now ? we have 100 n to the right ; we have 26.95 to the left 100 minus 26.95 100 n that ... | so , is the object moving to the right or left ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | how can you find tangential velocity from the static force of friction and the radius of a circle ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | i can draw them whatever , but remember this is acting on the object if we want to be precise , we can show it on the center of mass because we can view all of these atoms as one collective object but anyway , what is the net force now ? we have 100 n to the right ; we have 26.95 to the left 100 minus 26.95 100 n that ... | in this example we are pushing object with 100n force , back to newton 's 3rd low , is it counter pushing with 100 newton or only 26.5newton ( static friction ) ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | so the first thing you might realize is if there is no friction if this was a completely frictionless boundary and there is no air resistance , we are assuming that there is no air resistance in this example that in this dimension , in the horizontal dimension there would only be one force here , this 100 n force it wo... | where does contact area come into play ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | so we can start using the coefficient of kinetic friction it 's the ratio between that and the magnitude of the force of contact between this block and the floor or ground here and the magnitude of that force of contact is the same thing as the normal force that the ground is applying on the block the magnitude of the ... | how long is that moment ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | should a line fitted to these data pass through the origin ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | i can draw them whatever , but remember this is acting on the object if we want to be precise , we can show it on the center of mass because we can view all of these atoms as one collective object but anyway , what is the net force now ? we have 100 n to the right ; we have 26.95 to the left 100 minus 26.95 100 n that ... | does this mean that as long as the 100 n is applied on the box , the box will continue to increase in speed indefinitely at 14.6 m/s/s ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | i can draw them whatever , but remember this is acting on the object if we want to be precise , we can show it on the center of mass because we can view all of these atoms as one collective object but anyway , what is the net force now ? we have 100 n to the right ; we have 26.95 to the left 100 minus 26.95 100 n that ... | in other words , will the 100 n cause the box to eventually reach the speed of light , given enough time ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | what 's an intuitive way to think about how long the acceleration lasts n response to an applied force ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | i know the use of `` budging force '' is a way to make the term more accessible , but what is the technical name of this ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | as in , what do you write in place of f sub b ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | what is the `` budging force '' ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | what is the difference between that and the force of friction ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | i can draw them whatever , but remember this is acting on the object if we want to be precise , we can show it on the center of mass because we can view all of these atoms as one collective object but anyway , what is the net force now ? we have 100 n to the right ; we have 26.95 to the left 100 minus 26.95 100 n that ... | friction increases as the area of contact of the object with the surface increases , right ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | so can we say that coefficient of friction is also maximum ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | so we can start using the coefficient of kinetic friction it 's the ratio between that and the magnitude of the force of contact between this block and the floor or ground here and the magnitude of that force of contact is the same thing as the normal force that the ground is applying on the block the magnitude of the ... | if a car skids on an icy highway , should the driver turn the front wheels in the direction of skidding , or in the opposite direction , to avoid hitting a car coming from the front ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | we have 100 n to the right ; we have 26.95 to the left 100 minus 26.95 100 n that i 'm applying to the right - 26.95 n which is the force of friction to the left always acting against us means that there 's a net force to the right of 73.05 so once we 're moving , we have a net force to the right of 73.05 n this is the... | if you are given the acceleration of 3 blocks and asked to find the coefficient of kinetic friction , what do you do ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | ok , so , if we use 100 n to overcome static friction and get the block moving , but want the block to move with a constant velocity , would we then use the coefficient of kinetic friction to determine how much force is needed to maintain a constant velocity ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | i can draw them whatever , but remember this is acting on the object if we want to be precise , we can show it on the center of mass because we can view all of these atoms as one collective object but anyway , what is the net force now ? we have 100 n to the right ; we have 26.95 to the left 100 minus 26.95 100 n that ... | for example , if the kinetic force of friction is 26.95 n , would we then only have to apply 26.95 n of force in the direction of movement to maintain a constant velocity ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | we have 100 n to the right ; we have 26.95 to the left 100 minus 26.95 100 n that i 'm applying to the right - 26.95 n which is the force of friction to the left always acting against us means that there 's a net force to the right of 73.05 so once we 're moving , we have a net force to the right of 73.05 n this is the... | i understand the difference between static and kinetic friction , but if we , in a problem , were to told to find the acceleration of a object on a rough surface ( if we assume that the force applied can overcome the static friction ) , can we just use kinetic friction and not static friction because it 's such a short... |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | what is actually 'budging ' or 'budging force ' ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | i can draw them whatever , but remember this is acting on the object if we want to be precise , we can show it on the center of mass because we can view all of these atoms as one collective object but anyway , what is the net force now ? we have 100 n to the right ; we have 26.95 to the left 100 minus 26.95 100 n that ... | and what is the 29.4 n acting in left direction ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | we have 100 n to the right ; we have 26.95 to the left 100 minus 26.95 100 n that i 'm applying to the right - 26.95 n which is the force of friction to the left always acting against us means that there 's a net force to the right of 73.05 so once we 're moving , we have a net force to the right of 73.05 n this is the... | finally what is limiting friction ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | so we can start using the coefficient of kinetic friction it 's the ratio between that and the magnitude of the force of contact between this block and the floor or ground here and the magnitude of that force of contact is the same thing as the normal force that the ground is applying on the block the magnitude of the ... | how is the force of static friction is going to be 29.4 n ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | i can draw them whatever , but remember this is acting on the object if we want to be precise , we can show it on the center of mass because we can view all of these atoms as one collective object but anyway , what is the net force now ? we have 100 n to the right ; we have 26.95 to the left 100 minus 26.95 100 n that ... | why sal had subtracted 29.4 from 100 n ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | so the first thing you might realize is if there is no friction if this was a completely frictionless boundary and there is no air resistance , we are assuming that there is no air resistance in this example that in this dimension , in the horizontal dimension there would only be one force here , this 100 n force it wo... | does the magnitude lines mean the absolute value of force of friction and normal force ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | so we can start using the coefficient of kinetic friction it 's the ratio between that and the magnitude of the force of contact between this block and the floor or ground here and the magnitude of that force of contact is the same thing as the normal force that the ground is applying on the block the magnitude of the ... | how can we decide direction of kinetic and static friction ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | we have 100 n to the right ; we have 26.95 to the left 100 minus 26.95 100 n that i 'm applying to the right - 26.95 n which is the force of friction to the left always acting against us means that there 's a net force to the right of 73.05 so once we 're moving , we have a net force to the right of 73.05 n this is the... | is the coefficient of kinetic friction always the same regardless of the speed , acceleration or jerk ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | so i have 100 n going that way and i have 26.95 going that way remember , with vectors , i do n't have to draw them here i can draw all of their tails start at the center of mass of the object . i can draw them whatever , but remember this is acting on the object if we want to be precise , we can show it on the center ... | how can i figure out for how long will the object move ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | if a force exactly equivalent to that of the budging force is applied , does the block a ) remain stationary since net force is zero , b ) accelerate since the budging force has been met and kinetic friction comes into play , resulting in a non zero net force ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | so we can start using the coefficient of kinetic friction it 's the ratio between that and the magnitude of the force of contact between this block and the floor or ground here and the magnitude of that force of contact is the same thing as the normal force that the ground is applying on the block the magnitude of the ... | how would i calculate the coefficient of friction for static and kinetic friction as well as the force of friction when only given the mass of the object , the newtons for static friction , and the newtons for kinetic friction ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | if the object is not accelerating at all , is there still friction force ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | how can you calculate the force of friction without knowing the coefficient of kinetic friction ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | so i have 100 n going that way and i have 26.95 going that way remember , with vectors , i do n't have to draw them here i can draw all of their tails start at the center of mass of the object . i can draw them whatever , but remember this is acting on the object if we want to be precise , we can show it on the center ... | however , the net moment is not equal to 0 , so why does the object not rotate ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | we have 100 n to the right ; we have 26.95 to the left 100 minus 26.95 100 n that i 'm applying to the right - 26.95 n which is the force of friction to the left always acting against us means that there 's a net force to the right of 73.05 so once we 're moving , we have a net force to the right of 73.05 n this is the... | is it possible that two surfaces must be in contact for some period of time to allow weak van der waal to form allowing a higher static friction ; when both surfaces are moving all the possible weak van der waal forces may not form allowing a lower c of f ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | so if the coefficients of static friction is the amount of friction between the object and the ground before it moves `` thats why it is budging force/normal force `` so how can the friction on a static object be greater than the coefficients of kinetic friction ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | i can draw them whatever , but remember this is acting on the object if we want to be precise , we can show it on the center of mass because we can view all of these atoms as one collective object but anyway , what is the net force now ? we have 100 n to the right ; we have 26.95 to the left 100 minus 26.95 100 n that ... | fb is the budging force right , which is 29.4 n then why did sal used it as a force of static friction and why did he subtract fb from 100 n , 100-29.4=70.6 ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | we have 100 n to the right ; we have 26.95 to the left 100 minus 26.95 100 n that i 'm applying to the right - 26.95 n which is the force of friction to the left always acting against us means that there 's a net force to the right of 73.05 so once we 're moving , we have a net force to the right of 73.05 n this is the... | why are the values of static and kinetic friction different ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | so we can start using the coefficient of kinetic friction it 's the ratio between that and the magnitude of the force of contact between this block and the floor or ground here and the magnitude of that force of contact is the same thing as the normal force that the ground is applying on the block the magnitude of the ... | can static and kinetic frictions ever be zero ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | we have 100 n to the right ; we have 26.95 to the left 100 minus 26.95 100 n that i 'm applying to the right - 26.95 n which is the force of friction to the left always acting against us means that there 's a net force to the right of 73.05 so once we 're moving , we have a net force to the right of 73.05 n this is the... | why is the coefficient of static friction always greater than the coefficient of kinetic friction between the same surfaces in contact ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | how would you solve a problem when someone is pushing a box up an incline by exerting a horizontal force on it , and you were n't given anything but the weight of the box , the angle the ramp was at , and the coefficient of kinetic friction ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | what would the difference be if the force of 100 newton ( as mentioned in the video ) is not applied continuously ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | we have 100 n to the right ; we have 26.95 to the left 100 minus 26.95 100 n that i 'm applying to the right - 26.95 n which is the force of friction to the left always acting against us means that there 's a net force to the right of 73.05 so once we 're moving , we have a net force to the right of 73.05 n this is the... | is there another way to tell whether the friction is static or kinetic ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | i can draw them whatever , but remember this is acting on the object if we want to be precise , we can show it on the center of mass because we can view all of these atoms as one collective object but anyway , what is the net force now ? we have 100 n to the right ; we have 26.95 to the left 100 minus 26.95 100 n that ... | so you apply the budging force to move the object , so should n't the budging force be greater than 100 n ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | i can draw them whatever , but remember this is acting on the object if we want to be precise , we can show it on the center of mass because we can view all of these atoms as one collective object but anyway , what is the net force now ? we have 100 n to the right ; we have 26.95 to the left 100 minus 26.95 100 n that ... | if you imagine the ridges and grooves they do n't move in a pattern say 1/13 has repeating decimals so the force of friction might increase or decrease right ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | we have 100 n to the right ; we have 26.95 to the left 100 minus 26.95 100 n that i 'm applying to the right - 26.95 n which is the force of friction to the left always acting against us means that there 's a net force to the right of 73.05 so once we 're moving , we have a net force to the right of 73.05 n this is the... | why is the static friction not considered when calculating the acceleration once the object is moving ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | we have 100 n to the right ; we have 26.95 to the left 100 minus 26.95 100 n that i 'm applying to the right - 26.95 n which is the force of friction to the left always acting against us means that there 's a net force to the right of 73.05 so once we 're moving , we have a net force to the right of 73.05 n this is the... | why is coefficient of kinetic friction a constant ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | we have 100 n to the right ; we have 26.95 to the left 100 minus 26.95 100 n that i 'm applying to the right - 26.95 n which is the force of friction to the left always acting against us means that there 's a net force to the right of 73.05 so once we 're moving , we have a net force to the right of 73.05 n this is the... | does n't friction change with the force i apply so that the object moves with constant speed even after it starts moving ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | we have 100 n to the right ; we have 26.95 to the left 100 minus 26.95 100 n that i 'm applying to the right - 26.95 n which is the force of friction to the left always acting against us means that there 's a net force to the right of 73.05 so once we 're moving , we have a net force to the right of 73.05 n this is the... | do gears increase friction or decrease friction ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | we have 100 n to the right ; we have 26.95 to the left 100 minus 26.95 100 n that i 'm applying to the right - 26.95 n which is the force of friction to the left always acting against us means that there 's a net force to the right of 73.05 so once we 're moving , we have a net force to the right of 73.05 n this is the... | ( static friction and kinetic friction ) i mean does the object keep moving till force becomes 0 ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | what would the proper name in physics be called in regards to the amount of force required to overcome static friction ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | we have 100 n to the right ; we have 26.95 to the left 100 minus 26.95 100 n that i 'm applying to the right - 26.95 n which is the force of friction to the left always acting against us means that there 's a net force to the right of 73.05 so once we 're moving , we have a net force to the right of 73.05 n this is the... | why is the static miu greater than the kinetic miu ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | ' '' is there anything called instantaneous acceleration just like velocity ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | so i have 100 n going that way and i have 26.95 going that way remember , with vectors , i do n't have to draw them here i can draw all of their tails start at the center of mass of the object . i can draw them whatever , but remember this is acting on the object if we want to be precise , we can show it on the center ... | how long is that moment that the object is accelerating at the slower rate for ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | i can draw them whatever , but remember this is acting on the object if we want to be precise , we can show it on the center of mass because we can view all of these atoms as one collective object but anyway , what is the net force now ? we have 100 n to the right ; we have 26.95 to the left 100 minus 26.95 100 n that ... | would n't the net force be 100n-26.95n-29.4n ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | so i have 100 n going that way and i have 26.95 going that way remember , with vectors , i do n't have to draw them here i can draw all of their tails start at the center of mass of the object . i can draw them whatever , but remember this is acting on the object if we want to be precise , we can show it on the center ... | so , actually friction is accelerating the object ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | what is the standard notation for `` budging force '' ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | how can i cause the block to move at a constant velocity , theoretically speaking ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | we have 100 n to the right ; we have 26.95 to the left 100 minus 26.95 100 n that i 'm applying to the right - 26.95 n which is the force of friction to the left always acting against us means that there 's a net force to the right of 73.05 so once we 're moving , we have a net force to the right of 73.05 n this is the... | when we make a surface smooth , friction decreases , but when it becomes highly smooth , friction starts to increase.why ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | we have 100 n to the right ; we have 26.95 to the left 100 minus 26.95 100 n that i 'm applying to the right - 26.95 n which is the force of friction to the left always acting against us means that there 's a net force to the right of 73.05 so once we 're moving , we have a net force to the right of 73.05 n this is the... | if you want to find the velocity over time , do you completely ignore the acceleration you find with the static friction , or is it more complex ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | we have 100 n to the right ; we have 26.95 to the left 100 minus 26.95 100 n that i 'm applying to the right - 26.95 n which is the force of friction to the left always acting against us means that there 's a net force to the right of 73.05 so once we 're moving , we have a net force to the right of 73.05 n this is the... | how many nanoseconds does it take to shift from `` static friction '' to `` kinetic friction '' ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | what i mean is : for how long does the coefficient of static friction work before it introduces error to the calculations ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | also , assuming it 's measurable , how long does the transition to the coefficient of kinetic friction last ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | what is the difference between acceleration and velocity ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | and that 's why this block does not accelerate upwards or downwards so what we have is the budge the magnitude of the budging force , needs to be equal to , over the magnitude of the normal force well this thing right over here is going to be 49 newtons is equal to 0.60 or we could say that the magnitude of the budging... | if i apply a constant force , why does n't the object just accelerate forever until the speed of light ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | and that 's why this block does not accelerate upwards or downwards so what we have is the budge the magnitude of the budging force , needs to be equal to , over the magnitude of the normal force well this thing right over here is going to be 49 newtons is equal to 0.60 or we could say that the magnitude of the budging... | should n't the correct way to draw the arrow for the normal force be to draw it from the ground and up , and not from the center of the object ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | we have 100 n to the right ; we have 26.95 to the left 100 minus 26.95 100 n that i 'm applying to the right - 26.95 n which is the force of friction to the left always acting against us means that there 's a net force to the right of 73.05 so once we 're moving , we have a net force to the right of 73.05 n this is the... | if the acceleration once the object has budged and is moving is constant , how does it eventually slow down ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | if the budging force at stationary is 29.4 , should n't the friction force at stationary be less , why does sal use the budging force at stationary as the friction force at stationary ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | we have 100 n to the right ; we have 26.95 to the left 100 minus 26.95 100 n that i 'm applying to the right - 26.95 n which is the force of friction to the left always acting against us means that there 's a net force to the right of 73.05 so once we 're moving , we have a net force to the right of 73.05 n this is the... | what are examples of static friction ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | their largest pushing force is 1000 n. ( 1 ) can they get the box up the ramp ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | so i have 100 n going that way and i have 26.95 going that way remember , with vectors , i do n't have to draw them here i can draw all of their tails start at the center of mass of the object . i can draw them whatever , but remember this is acting on the object if we want to be precise , we can show it on the center ... | if i have an object on an inclination , and i change this inclination until the object starts moving , can the object move with constant velocity ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | can someone give me a good example ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | so i have 100 n going that way and i have 26.95 going that way remember , with vectors , i do n't have to draw them here i can draw all of their tails start at the center of mass of the object . i can draw them whatever , but remember this is acting on the object if we want to be precise , we can show it on the center ... | does higher velocity object has even slower friction than the same object at lower velocity ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | we have 100 n to the right ; we have 26.95 to the left 100 minus 26.95 100 n that i 'm applying to the right - 26.95 n which is the force of friction to the left always acting against us means that there 's a net force to the right of 73.05 so once we 're moving , we have a net force to the right of 73.05 n this is the... | what is exactly the difference between static friction and kinetic friction ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | we have 100 n to the right ; we have 26.95 to the left 100 minus 26.95 100 n that i 'm applying to the right - 26.95 n which is the force of friction to the left always acting against us means that there 's a net force to the right of 73.05 so once we 're moving , we have a net force to the right of 73.05 n this is the... | are kinetic and static friction the only types of friction ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | this is because of the centripetal acceleration on us so we can rotate on the surface of the earth with the earth ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | so we can start using the coefficient of kinetic friction it 's the ratio between that and the magnitude of the force of contact between this block and the floor or ground here and the magnitude of that force of contact is the same thing as the normal force that the ground is applying on the block the magnitude of the ... | why did sal subtract the 29.4 newtons from the 100 newtons ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | i can draw them whatever , but remember this is acting on the object if we want to be precise , we can show it on the center of mass because we can view all of these atoms as one collective object but anyway , what is the net force now ? we have 100 n to the right ; we have 26.95 to the left 100 minus 26.95 100 n that ... | similarly , why did sal subtract the 26.95 newtons from the 100 newtons ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | if a force of 10n is acting on the right side what will be the force of friction ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | what is the size of the frictional force ? |
so i have got this block of wood here that has a mass of 5 kilograms and it is sitting on some dirt and we are near the surface of the earth and the coefficient of static friction between this type of wood and this type of dirt is 0.60 and the coefficient of kinetic friction between this type of wood and this type of d... | we have 100 n to the right ; we have 26.95 to the left 100 minus 26.95 100 n that i 'm applying to the right - 26.95 n which is the force of friction to the left always acting against us means that there 's a net force to the right of 73.05 so once we 're moving , we have a net force to the right of 73.05 n this is the... | what is the equation to find the coefficient of friction ? |
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