A piano mover raises a 100 kg piano at a constant rate using a frictionless pulley system,as shown in the figure.With roughly what force is the mover pulling down on the rope?
A)2000 N
B)1000 N
C)500 N
D)250 N
E)Depends on the velocity!

Name: A piano mover raises a 100 kg piano at a constant rate using a frictionless pulley system,as shown in the figure.With roughly what force is the mover pulling down on the rope? A)2000 N B)1000 N C)500 N D)250 N E)Depends on the velocity!
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Question

A piano mover raises a 100 kg piano at a constant rate using a frictionless pulley system,as shown in the figure.With roughly what force is the mover pulling down on the rope? 
A)2000 N 
B)1000 N 
C)500 N 
D)250 N 
E)Depends on the velocity!

Quizplus · Accepted Answer

The Answer is C

A Piano Mover Raises a 100 Kg Piano at a Constant