A 370 kg piano slides 2.9 m down a 28° incline and is kept from accelerating by a man who is pushing back on it parallel

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A 370 Kg Piano Slides 2 9 M Down A 28 Incline And Is Kept From Accelerating By A Man Who Is Pushing Back On It Parallel 1 (34.16 KiB) Viewed 27 times

A 370 Kg Piano Slides 2 9 M Down A 28 Incline And Is Kept From Accelerating By A Man Who Is Pushing Back On It Parallel 2 (22.9 KiB) Viewed 27 times

A 370 Kg Piano Slides 2 9 M Down A 28 Incline And Is Kept From Accelerating By A Man Who Is Pushing Back On It Parallel 3 (24.77 KiB) Viewed 27 times

A 370 Kg Piano Slides 2 9 M Down A 28 Incline And Is Kept From Accelerating By A Man Who Is Pushing Back On It Parallel 4 (23.75 KiB) Viewed 27 times

A 370 Kg Piano Slides 2 9 M Down A 28 Incline And Is Kept From Accelerating By A Man Who Is Pushing Back On It Parallel 5 (21.61 KiB) Viewed 27 times

A 370 kg piano slides 2.9 m down a 28° incline and is kept from accelerating by a man who is pushing back on it parallel to the incline (see the figure(Figure 1)). Ignore friction.
Determine the force exerted by the man. Express your answer to two significant figures and include the appropriate units. Fp 11 HA Value N B ?
Determine the work done on the piano by the man. Express your answer to two significant figures and include the appropriate units. Wp = HÅ Value J SWD ?
Determine the work done on the piano by the force of gravity. Express your answer to two significant figures and include the appropriate units. WG = HA Value J BRAC ?
Determine the net work done on the piano. Express your answer to two significant figures and include the appropriate units Wnet μA Value J 1592 ?