Question

difference between sliding and Rolling friction and tell some disadvantage of friction??

Answer 1

Sliding- the frictional force wich acts between two objects when they slide over each other is known as sliding frictional force


Rolling - The force acting on the surface which r circular

disadvantages - frictional force opposes motion



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Answer 2

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Advantage of rolling friction:-

With the help of rolling friction wheels can easily move.

Disadvantage of rolling friction:-

It causes wear and tear in moving parts.