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    Work Man Does on a Piano

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    "A 276 kg piano slides 4.02 m down a 30.2° incline and is kept from accelerating by a man who is pushing back on it parallel to the incline, as seen in the figure (attached in a Word file). The effective coefficient of kinetic friction is 0.400. Calculate the work done by the man on the piano."

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    © BrainMass Inc. brainmass.com March 4, 2021, 5:46 pm ad1c9bdddf
    https://brainmass.com/physics/work/work-man-does-on-a-piano-9984

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    The force of gravity on the piano = 276 kg * 9.8 m/s^2 = 2,705 N.
    This can be broken down into a component ...

    Solution Summary

    This solution looks at the work done by a man on a piano moving down an incline.

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