A person is holding a block of 30kg on his head if he is standing like this for 2 hours how much is the work done
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Answer:
No work done .
Explanation:
As there is no displacement ,there is no work
Work = displacement× force applied
The person will feel pain because he is acting against gravity continuously or force is applied continuously but due to no displacement, in scientific way there is no work done even if he hold 50 kg for more than 5 hours
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