Question

list any two advantage and disadvantage of friction

Answer 1

ADVANTAGES-

1. It always us to write by the friction between the pen and the paper.

2. it also helps us to walk.

DISADVANTAGES-

1. friction causes moving objects to stop.

2. friction causes wear and tear in machinery, soles of shoe etc.

Answer 2

Disadvantages-
1.Forest fires occur because of friction.
2.we get hurt after falling down is also because of friction.

Advantages-
1.Brakes are applied because of friction.
2.An iron nail fixes because of friction.

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