Why does a coolie does no work when he moves on a level road while carrying a box on his head?
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Answered by
5
because here the surface area is increase so , it decrease pressure
Therefore a coolie does no work when he moves on a level road while carrying a box on his head.
Answered by
21
The coolie does not work because he applies force on ground vertically which makes a right angle which cancels the weight that coolie is carrying.
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