Grade 12th pass8 grade science
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.
1 Answer
Pawan Prajapati
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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