Question

When does rolling friction occur?

Answer 1

this happens due to the application of ball bearings

plz write this if the question is for 1 mrk

Answer 2

Here is what my textbook says Rolling friction occurs when a wheel, ball, or cylinder rolls freely over a surface, as in ball and roller bearings. The main source of friction in rollingappears to be dissipation of energy involved in deformation of the objects. If a hard ball is rolling…