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    kool_kid's Avatar
    kool_kid Posts: 1, Reputation: 1
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    Oct 21, 2008, 07:12 PM
    Newtons second and third laws
    An athlete lifts a mass of 157.5 kg. his own mass was only 54.0kg. Calculate the force acting on each of his feet at the moment he was lifting the mass with an upward acceleration of 1.00m/s squared assume that the downward force on each foot is the same.
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    Capuchin Posts: 5,255, Reputation: 656
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    Oct 22, 2008, 01:56 AM

    How far have you got? We're happy to help but will not do your homework for you.
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