Question

Why is rolling friction lesser than sliding friction?
Give reason.
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Answer 1

Answer:

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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Answer 2

Required Answer:

• Sliding friction is the force that acts against two surfaces that are rubbing together.

• The force of friction depends on the area of contact between the two surfaces.

• 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$.$