Question

"friction is both good and evil "explian with examples

Answer 1

friction is good and evil because

friction is good because
friction help to stop a moving body
friction help to write
friction help to walk

friction is evil because

due to friction in some swing( jhoola) we can't able to play


hope its helpful

Answer 2

Friction is good in case of acceleration of bike from inclined plane or slope but if the slope is more slope then it causes accident