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Sunday, March 14, 2010

Suppose you climb a flight of stairs to an elevation of 4 meters. How much work did you do?

A. No Work (0 Joules)


B. It depends on how much you weigh


C. It depends on how wide the stairs are


D. It depends on whether you are wearing your favorite shoes

Suppose you climb a flight of stairs to an elevation of 4 meters. How much work did you do?
B





The more you weigh, the higher your potential energy will be at the top of the stairs. Work is simply the difference between your starting and ending energy.
Reply:b



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