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If we want to lift a 910lb box 10 ft into the air, and we have...

If we want to lift a 910lb box 10 ft into the air, and we have 70 ft of rope and as many pulleys as we want, what is the least amount of force we'll have to exert?


Group of answer choices

13 lbs


130 lbs

46.5 lbs

91 lbs

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