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Give examples to show that friction is both a friend and a foe.

Give examples to show that friction is both a friend and a foe.

Grade:12th pass

1 Answers

Pawan Prajapati
askIITians Faculty 6228 Points
29 days ago
Friction is a friend in the following ways — it helps us to walk, to write on the blackboard and to apply the brakes of a car. Friction is a foe in the following ways — it causes wear and tear of machinery and shoes, it produces heat in the machinery.

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