Question

b) State any two advantages of friction

Answer 1

Answer:

• It helps us walk on the ground.
• Brakes in a car make use of friction to stop the car.
• Asteroids are burnt in the atmosphere before reaching Earth due to friction.

Answer 2

Answer:

Here are some advantages of friction :-

1) Friction is responsible for many types of motion.

2) It helps us walk on the ground.

3) Brakes in a car make use of friction to stop the car.

4) Asteroids are burnt in the atmosphere before reaching Earth due to friction.

5) It helps in the generation of heat when we rub our hands.