Yes, indeed friction is a necessary evil. It’s because of:
- Without friction between the feet and the ground, it would not have been possible to walk.
- The tire of the motor cars and cycles are rough to increase the friction.
- In absence of the friction, the brakes of the motor car won’t work well.
This post was part of TyroCity discussion forum
Question asked by drupadh_thapa
Answered by chimini_chand