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    Energy and Conservation Laws: A rock is lifted by a lever. How much work is done?

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    A rock weighs 100 lbs and is lifted 1 ft by a lever.
    How much work is done?

    © BrainMass Inc. brainmass.com February 24, 2021, 2:13 pm ad1c9bdddf

    Solution Summary

    The formula is shown and the problem is solved. How much work is done for the energy and conservation functions are analyzed.