Question

rolling friction is less than sliding friction why​

Answer 1

Answer:

Sliding friction is the force that acts against two surfaces that are rubbing together. Rolling friction is less than sliding friction as the rolling of one body over another requires a smaller area of surface contact than sliding.

Answer 2

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.

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