Question

state the cons of friction​

Answer 1

1. Extra friction makes it difficult to move an object, such as sliding a box across the floor or walking in deep snow.

2. Any device that has moving parts can wear out rapidly because of friction.

3. Friction can create heat energy, but this could overheat and damage an object, such as a car.

Answer 2

The main disadvantage of friction is that it produces heat in various parts of machines. In this way some useful energy is wasted as heat energy.

...

The disadvantages of friction are:

More energy will be required to move the body.

Parts of machine might lose their shape.

Machine might stop working properly.

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