How Much Work Is Done Pushing an 80 kg Box Up a Frictionless Incline?

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jstead
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1. An 80.0 kg box is pushed up a frictionless incline. Hypotenuse = 10.0 m. Opposite = 7.0 m. How much work is done on the box moving it to the top?
 
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You need to show some attempt before anyone at PF can help you.

(Hint: Consider the change in potential energy of the box)
 

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