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If a person is holding a rock over their head how much work is being done on the rock? |
Answer» <html><body><p>- This is because the distance is <a href="https://interviewquestions.tuteehub.com/tag/zero-751093" style="font-weight:bold;" target="_blank" title="Click to know more about ZERO">ZERO</a>. If someone is <a href="https://interviewquestions.tuteehub.com/tag/using-7379753" style="font-weight:bold;" target="_blank" title="Click to know more about USING">USING</a> <a href="https://interviewquestions.tuteehub.com/tag/force-22342" style="font-weight:bold;" target="_blank" title="Click to know more about FORCE">FORCE</a> to <a href="https://interviewquestions.tuteehub.com/tag/hold-1028313" style="font-weight:bold;" target="_blank" title="Click to know more about HOLD">HOLD</a> a rock over their head while walking eastward across a field no work has occurred. This is because the force is not in the same <a href="https://interviewquestions.tuteehub.com/tag/direction-1696" style="font-weight:bold;" target="_blank" title="Click to know more about DIRECTION">DIRECTION</a> ( the force is up) as the distance moved by the rock ( eastward) .</p></body></html> | |