jam9749 jam9749

07-05-2021
Physics

contestada

If you lift a 4 kg object and place it on a shelf 2 m higher than it was, how much work did you do?

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Brobertiello Brobertiello

07-05-2021

Work is equal to Force times Distance

Force in this case is the force of gravity which is mg

So work is (4)(9.8)(2) or about 78.4 joules

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