Question

Friction is a necessary evil.Explain

Answer 1

The answer for this lies in the question itself because friction is necessary as well as not required sometimes.

wear and tear of machines happen because of friction but then tyres are made rough to increase friction.

Answer 2

$\huge\red{heya!!!!}$

yes its true friction is a necessary evil. Even we will not able to walk without friction. It helps us to write , hold , lift objects. Friction is essential for every important process of our lives .

thanks