Question

give two examples of situation in which it is helpful to increase friction​

Answer 1

Answer: Examples :-

a. Friction is helpful to stop a moving vehicle or any object.

b. Friction is helpful in jumping out of plane with parachute to land safely to the ground.

Answer 2

Friction between pen paper enables us to write on the paper .

Friction between tyres and the road stop cars from skidding.