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Mr. Bannister carried a 3 N physics book at a constant velocity 5 meters across the room. What is the net work done on the physics book?

Guest Nov 8, 2013

MrBigbig · Answer 1 · 2013-11-08T02:12:51

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W = F·S = FScos theta, in this case, theta = 90°
because cos90° = 0, so net work is 0.