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Math Help - Help! No idea whatsoever!

  1. #1
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    Help! No idea whatsoever!

    If a person weighs 200 lbs and the calf muscle is inserted a distance 2 times greater than the distance of the center of gravity of the body from the fulcrum, to lift the body, the calf muscle will need a force (in lbs) equal to ________________ lbs.

    A) 400
    B) 200
    C) 100
    D) 50
    E) 0.5
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  2. #2
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    Quote Originally Posted by chckn440 View Post
    If a person weighs 200 lbs and the calf muscle is inserted a distance 2 times greater than the distance of the center of gravity of the body from the fulcrum, to lift the body, the calf muscle will need a force (in lbs) equal to ________________ lbs.

    A) 400
    B) 200
    C) 100
    D) 50
    E) 0.5
    class 1 lever ...



    F_1 \cdot D_1 = F_2 \cdot D_2
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  3. #3
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    Thanks for the response. Pardon my stupidity, but im still not sure how to answer the problem, so a solution solved up to the problem's end would be appreciated.
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