A person is using a rope to lower a 5.0-N bucket into a well with a constant speed of 2.0 m/s.What is the magnitude of the force exerted by the rope on the bucket?
A)0.00 N
B)2.0 N
C)5.0 N
D)10 N
E)49 N

Question

Quizplus · Accepted Answer

Since the bucket is moving with a constant velocity, the net force on it is zero. Therefore, the force exerted by the rope on the bucket must be equal in magnitude and opposite in direction to the gravitational force on the bucket (which is 5.0 N). Thus, the magnitude of the force exerted by the rope on the bucket is also 5.0 N.

A Person Is Using a Rope to Lower a 5