Question

हार्मफुल इफेक्ट्स ऑफ फ्रिक्शन क्लास English​

Answer 1

Answer:

Three ways in which friction can be harmful are-

1. If there was no friction, cars would get much better gas mileage and almost without any loss of petrol or diesel.

2. To overcome the force of friction a large amont of force has to be applied so, a lot of force is wasted on overcoming it.

3. Friction heats up the devices and due to heating machines can be damaged.