InterviewSolution
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InterviewSolution
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We cannot stand at one place for a long time. How then can we sleep on a place for 8 and odd hours? |
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Answer» When we stand, our weight acts on relatively small surface area, resulting in increased tension on the muscles of our legs. Hence, we cannot stand at one place for a long time. When we sleep, our weight acts on relatively large surface area, resulting in comparatively reduced tension. Therefore, we can sleep on a place for 8 and odd hours. |
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