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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asked Jun 4, 2019 208k views

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Zheng Zhongqi · Answer 1 · 2019-06-10T17:26:46+0000

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.

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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