(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

A man pushes an 80 N crate a distance of 5.0 m upward along a frictionless slope that makes an angle of 30° with the horizontal. The force he exerts is parallel to the slope. If the speed of the crate is constant, then the work done by the man is:

a) 61 J

b) 200 J

c) 140 J

d) -200 J

2. Relevant equations

F=ma

3. The attempt at a solution

I used sin 30 = y/50, so y (the height of the slope) equals 2.5. I don't know what to do from here.

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# Homework Help: Quick multiple choice help

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