Question

Friction is an evil explain this topic with example​

Answer 1

Answer:

wastes energy

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. Basic activities like walking and writing on a surface are possible due to friction.

Answer 2

Answer:

It causes losses in energy transfer and damages machines, but it is a necessary evil because we could not slow down if there was none.