Question

why is friction called a necessary evil?​

Answer 1

${\mathtt{\huge{\red{\underline{Hey \: Mate \: !!}}}}}$

☞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.....ツ

Answer 2

Answer:

friction is called a nessacary evil as

Explanation:

1) friction in machines can make them damage.

2) friction does not allow us to move heavy objects .

3) friction can stop us when we are moving