Give an example to show the effect of heat generated in a machine due to excessive friction.

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Solution

Metal blades when cut down using electric machines show the example of effect of heat due to excessive friction.

Water spraying system is used in this which automatically sprays the water when the machine is overheated due to regular cutting and it is attached in the machine itself

*The engine of the car gets hot when the oil and grease between it is removed. The shaft of the engine gets drifted on each other creating the continuous friction. and becoming hot

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