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A man with box on his head is climbed up a ladder . the work done by the man on the box is



The work done on the box by the man is zero as the force acting on the box is at an angle of 90,, and such a force means 0 or no work. If it was said that 'what is the work done by the man on climbing the stairs' then it would be positive as the man is gaining height thereby gaining potential energy. But in this case the work done is ZERO.
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I hope it helped. :-)
Plz mark it as the best
Thanku... does that mean my answer is right?
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