How can you say that friction is necessarily evil. write some pros and cons
Answers
Answered by
2
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. Basic activities like walking and writing on a surface are possible due to friction.
Answered by
2
Answer:
friction is said to be a necessary evil because it is useful as well as harmful. friction helps us to walk, write, hold things, lift objects. So it is necessary in our lives. Without friction many essential processes can not be done. On the other hand, it is also unnecessary at times. it sometimes results in loss of energy, wear and tear of parts of machinery, due to which it also damages things. so it is an essential evil.
Similar questions