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# Questions tagged [friction]

The resistance a surface or object encounters when moving over another.

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### Circular motion, kinetic friction and tension

Hi: I've read this post: Uniform Circular Motion w/ Tension and Friction and helped me a lot. I have a similar problem: At one end of the rope ($R = 1 m$) is tied a mass ($m = 3 kg$) and the ...
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### Velocity of the point of contact when we are walking

I know friction applies the forward push needed to walk (without slipping). Can we say that the point of the contact ( on the backward foot?) when we are walking will be at rest wrt the ground in much ...
61 views

### Is rolling friction enough to make a car turn?

I will distinguish between to kinds of frictions. When the car is moving in a straight line, the tire pushes the road backwards and the road pushes the car forward. Because of the friction between ...
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