Physics, 07.03.2020 05:25 brandonkelly104
A 330 kg piano slides 3.6 m down a 28o incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. The effective coefficient of kinetic friction is 0.4. Calculate:
a. the force exerted by the man
b. the work is done by the man on the piano
c. the work is done by the friction force
d. the work is done by the force of gravity
e. the net work done on the piano.
Answers: 2
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A 330 kg piano slides 3.6 m down a 28o incline and is kept from accelerating by a man who is pushing...
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