How much work is done to lift a 3N box to a shelf 2m above the ground

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asked Sep 3, 2019 197k views

1 Answer

Vlad GURDIGA · Answer 1 · 2019-09-09T10:08:30+0000

When the box IS on the shelf 2m above the ground,
its potential energy is

(weight) x (height) = (3 N) x (2 m) = 6 joules .

THAT's the work you have to do, to lift the box up to there.

How much work is done to lift a 3N box to a shelf 2m above the ground

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