Physics

Physics, 23.07.2019 02:30, hero70

Astudent pulls a lever down 4 m. the lever lifts a box that weighs 20 n up a distance of 2 m. how much work was done on the box?

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Astudent pulls a lever down 4 m. the lever lifts a box that weighs 20 n up a distance of 2 m. how mu...

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