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27 Nov 2019
A 350-kg piano slides 4.0 m down a 20-degree incline and is keptfrom accelerating by a man who is pushing back on it parallel tothe incline.
a) Determine the force exerted by the man.
b) Determine the work done by the man on the piano.
c) Determine the work done by the force of gravity.
d) Determine the net work done on the piano. Ignore friction.
Thank you!
A 350-kg piano slides 4.0 m down a 20-degree incline and is keptfrom accelerating by a man who is pushing back on it parallel tothe incline.
a) Determine the force exerted by the man.
b) Determine the work done by the man on the piano.
c) Determine the work done by the force of gravity.
d) Determine the net work done on the piano. Ignore friction.
Thank you!
