sarah369 sarah369

24-04-2018
Physics

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A student 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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lilaipo lilaipo

04-05-2018

The answer is 40 J. A student pulls a lever down 4 m. The lever lifts a box that weighs 20 N up a distance of 2 m. 40 J of work was done on the box.

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