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It takes 86 joules of energy to raise a box 2 meters using the pulley setup shown above.

Without the pulley, the box can be raised 2 meters using only 82 joules of energy. What could explain this 4-joule difference?

Respuesta :

jaelaepps

the answer to your question is the answer i need

desirembrace

Answer:

when raising the box using the pulley ,4 joules of mechanical energy are destroyed

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