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When we walk the work done by friction is negative or positive....?


When we walk the work done by friction is negative or positive....?


Grade:9

1 Answers

Vikas TU
14149 Points
7 years ago
When we walk  the friction force acts along the man means in  forward direction of movement.
But friction force in actual does no work all the work is manifisticated through the muscles of the foot of man.

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