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29 May, 21:44

You're trying to lift a 298 pound object with a first class lever. You're pushing down on one side of the lever 9ft from the fulcrum, and the object is on the other side 2 ft from the fulcrum. Assuming no friction (balanced moments), how much force do you have to apply to lift the object?

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  1. 29 May, 21:48
    0
    66.2 lbf

    Explanation:

    ∑τ = Iα

    F (9 ft) + (298 lbf) (-2 ft) = 0

    F = 66.2 lbf
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