WHY IS FRICTION A NECESSARY EVIL ????
Answers
Answered by
3
During winter season friction causes WEAR AND TEAR... and this damages the machine parts ... so it is a necessary EVIL
Answered by
0
Answer:
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 .
Similar questions