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Hand written solution required A 360 kg piano slides 3.2 mm down a 28 incline and is kept from accelerating by a man who is

Hand written solution required

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A 360 kg piano slides 3.2 mm down a 28 incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. Ignore friction. Determine the force exerted by the man. Determine the work done on the piano by the man

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