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Rahul is stan...

Question

Rahul is standing still with a $5 k g$ weight on his head for $5$ hours. The work done is .

A

0 J

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B

300 J

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C

6 J

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Solution

The correct option is A $0 J$
We know that $W o r k d o n e = f o r c e \times d i s p l a c e m e n t$
It is given that, Rahul is standing still with a box of $5 k g$ on his head. Since the box is not displaced, displacement is zero. Therefore the work done on the box by Rahul is zero.

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