A 380kg piano slides 32m down a 27acirc degrees incline and


A 380kg piano slides 3.2m down a 27â degrees incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. Ignore friction.

What is the force exerted by the man,

Work on the piano by the man

Work on the piano by gravity?

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Physics: A 380kg piano slides 32m down a 27acirc degrees incline and
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