Question

Give examples where friction is helpful?

Answer 1

Friction can be useful: friction between our shoes and the floor stop us from slipping. friction between tyres and the road stop cars from skidding. frictionbetween the brakes and wheel help bikes and cars slow down.

Answer 2

Friction. is necessary for walking which is one of the most important process,it helps us to write ,if their was no friction then once an object moved will move forever.

Hope it helps you