Question

why rolling friction smaller​

Answer 1

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.

please mark me brain mark list

Answer 2

Answer:

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.

please mark me brain mark list