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

Jitender Pal , 11 Years ago
Grade 9
anser 1 Answers
Vikas TU

Last Activity: 9 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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