Question

Friction is a necessary evil explain advantages and disadvantages

Answer 1

Friction is necessary because:

It helps us to walk without slipping everywhere.

Our pens/pencils stay on the paper because of friction

Provides grip to hold objects, etc.

It is an evil because:

It causes damage to car tyres, shoe soles, etc

Can cause overheating in machines, which again, lead to damage, etc.

Answer 2

Explanation:

Advantage :-

• helps us in eating.

•helps us in writing.

•It enable to car to move on a road.

• we can't hold the thing without hands.

•helps us in walk on the ground.