Question

What are the disadvantages of friction ​

Answer 1

Answer:

Explanation:

1) Loss in efficiency

2) Requires more energy to move the body

3) materials degrade quickly

4) change in shape of certain parts

5)noise is produced

6) produces heat due to which useful energy is lost

Answer 2

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Advantages of friction:-

It is because of friction that we can walk, drive, open doors, turn tap and write.Screw and nails do not slip of because of the friction between the wood and the metal surface of the screw .

Disadvantages of friction:-

Friction causes the moving parts in machinery and automobiles to heat up this results in wastage of energy and fuel. Fiction also causes wear and Tear of the moving parts .