Question

Define rolling friction??​

Answer 1

Answer:

Rolling friction occurs when a wheel, ball, or cylinder rolls freely over a surface, as in ball and roller bearings. The main source of friction in rolling appears to be dissipation of energy involved in deformation of the objects.

Answer 2

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Rolling friction is applicable for bodies whose point of contact keeps changing. It is the force that opposes the motion of a body which is rolling over the surface of another.

Bowling balls, rotating wheels are examples illustrating Rolling friction.