what are the undesirable and undesirable effects of frictional force​

Sagot :

Answer:

Desirable effects of friction are :

1. It helps us in movement. walking is just not possible without friction.

2. It helps to stop a moving object like a car.

Undesirable effects of friction are :

1. Friction produces a lot of heat.

2. Friction causes wear and tear of objects.

3. To overcome friction a lot of energy is wasted.