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

Question

12-06-2018
Physics

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

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AL2006 AL2006 · Answer 1 · 2018-06-12T22:40:22+02:00

AL2006 AL2006

12-06-2018

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.

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