Question

give example to show the effect heat generated in a machine due to excessive friction

Answer 1

Explanation:

1. The blades are used to cut trees, granites, marbles, and cutting other mechanical parts. When the blades are used without cooling, the blades get break. The blades are generally cooled with grease and water.
2. The car engines are need to be cooled regularly and with apt coolant. If the engine is not cooled then the engine gets heated and starts to burn which leads to breakdown of the car.

Answer 2

Friction generates heat. Sometimes this can be harmful. The heat produced in a fast moving machine is very high. proper arrangements have to be made to cool the machine, otherwise it can get damage.

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