Question

List any three example which increas friction and because useful for us

Answer 1

Answer:

1.While writing friction is caused and is very much needed for writing

2.While driving, friction is needed for brakes

3.While erasing friction is needed

Answer 2

Answer:

your answer....

Explanation:

Friction occurs because no surface is perfectly smooth. ... Heat from friction can be useful. ... Identify three factors that affect friction.

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