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A person standing for a long time gets tired when he does not appear to do any work .why?​
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A person standing for a long time gets tired when he does not appear to do any work .why?​

User Or Yaacov
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1 Answer

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Step-by-step explanation:

A person standing still for a long time feels tired because the force of gravity acts on our body and puts stress on our muscles. so our muscles need energy to do work and keep body balanced and help to stand upright.

User Evgeni
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