hrodriguez hrodriguez

12-06-2018
Physics

contestada

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

Respuesta :

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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