Question

friction is both evil and an friendin our daily life

Answer 1

Friction is a friend like it help us to walk if there is no friction then we can slip and don't able to walk it also help us to to write on a black board i.e adequate friction b\w chalk and board...secondly it is an evil because it is unnecessary to wear and tear of machines parts..

Answer 2

D€AR FRI€ND ,,

FRICTION AS A FRIEND=>>

1. We are able to walk because of friction.
2. Friction between the tip of time and the paper allows us to write.

FRICTION AS EVIL=>>

1. Tyres and soles of shoes wear out because of friction.
2. Friction between different moving parts of Machines produce heat. This can damage the Machines.