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28 November, 07:44

a student needs to move a box onto a table that is 2 meters high she uses 10 newtons of force to move the box. How much work is done if she pushes the box up the inclunei

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  1. 28 November, 08:40
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    W = F•∆x•cos ∅ = 10 N * 2 m * cos (180°) = 20 J * - 1 = - 20 J
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