Asked by Jo

A 25 kg box is dragged across a floor by a rope that makes an angle of 60 degrees with the horizontal. The tension in the rope is 100 N while the box is dragged 15 m.
A) how much work is done by tension?
B) how much work is done by gravity?

Answers

Answered by Damon
horizontal rope force= 100 cos 60
= 50 N
so
a) work done by tension = 50*15
= 750 Joules

b) NONE !!!! there is no vertical displacement !
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