Question

Why is friction a necessary evil?

Answer 1

Fiction is a necessary because without fiction nobody can stop at a place and it is a evil because if it is used more it may harm us

Answer 2

Explanation:

Frictional force causes a lot of losses in general upkeep and wear and tear of machinery. Hence it is considered as a evil. But almost all crucial tasks cannot be carried out without the presence of friction. ... Hence it is considered as a necessary evil