Question

Which option justifies that friction is a necessary evil

Answer 1

Explanation:

Frictional force causes a lot of losses in general upkeep and wear and tear of machinery. But almost all crucial tasks cannot be carried out without the presence of friction. Basic activities like walking and writing on a surface are possible due to friction. Hence it is considered as a necessary evil

Answer 2

Good Morning

Explanation:

Basic activities like walking and writing on a surface are possible due to friction. Thus it is considered as a necessary evil