Heat produced due to friction causes wear and tear of machine parts.
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Explanation:
Machines are made up of moving parts; therefore, they have friction in various locations. The wear and tear caused by the friction is clearly seen in machines that move at high speeds.
Lets look at a car.
To accelerate the car, the car’s pistons must move up and down rapidly. Friction usually transfers the mechanical energy to heat energy. The main issue for wear and tear is the excess heat caused by friction. That is the reason oil is used as a lubricant to decrease friction.
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