Question

why do you think rolling friction is less than sliding friction?

Answer 1

It is because the area in contact in rolling friction is less than the area in contact in sliding friction the pressure is more in sliding friction but less in rolling friction.the two surfaces are rubbed more in sliding friction and are not rubbed in rolling friction

Answer 2

Explanation:

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it is because the area and the contact rolling friction is less than the area of contact and sliding friction.

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Hope this helps u .....