Explain why rolling friction is lesser than sliding friction
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As the area of contact is less in the case of rolling than in the case of sliding, rolling friction is less than the sliding friction.

Sliding friction is the force resisting the motion when a body slides on a surface. The force of friction depends on the area of contact between the two surfaces. As the area of contact is less in the case of rolling than in the case of sliding, rolling friction is less than the sliding friction.

Explanation:

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you have to draw the persons position over there

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