Answers

2014-03-29T13:16:35+05:30
Since the displacement S=10m
and he has to do work apposing its weight =700 N
therefore work done =700 x - 10
                              =-7000 J ans 
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2014-03-29T18:29:49+05:30
WORK DONE = force×displacement =700×10=7000 N
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