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OpenStudy (anonymous):
A box of weight 200 N is pushed so that it moves at a steady speed along a ramp, through a height of 1.5m. The ramp makes an angle of 30 with the ground. The frictional force on the box is 150N while the box is moving. a) 150J b) 300J c) 450J d) 750J
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OpenStudy (aaronq):
are you trying to find the work done on the box?
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