Question

Give two positive effects 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. It helps in the generation of heat when we rub our hands.

Answer 2

Step-by-step explanation:

1. Walking will not be possible without fiction because our foot will slip while pressing the ground.

2. Brakes of vehicle will not work without friction.

3.We will be unable to write on blackboards or on paper without friction.

4.Transfer of motion from one part of machine to the other part through belts will not be possible without friction.