A 380 kg piano slides 2.9 m down a 25 degree incline and is kept from accelerating by a man who is pushing back on it pa

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answerhappygod
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A 380 kg piano slides 2.9 m down a 25 degree incline and is kept from accelerating by a man who is pushing back on it pa

Post by answerhappygod »

A 380 kg piano slides 2.9 m down a 25 degree incline and is kept
from accelerating by a man who is pushing back on it parallel to
the incline. Determine: A. the force exerted by the man. B. the
work done on the piano by the man. C. The work done on the piano by
the force of gravity. D. the net work done on the piano. Ignore
friction.
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