Question

what is rolling friction?❤✌​

Answer 1

Answer:

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Rolling friction is the friction between two surfaces when one or both are free to rotate rather than slide at the point of contact. It is caused by the fact that no surface is perfectly smooth and round and no material is perfectly elastic.

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Answer 2

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.

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