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A 1 Kg Mass and a 0

Question 12
Multiple Choice
arrowQuestion 12arrow
Multiple Choice

A 1 kg mass and a 0.7 kg mass are attached to the two ends of a string that goes over a pulley with a radius of 0.1 m. Because of friction, the pulley does not begin to rotate. What is the magnitude of the frictional torque on the bearing of the pulley if the system is in static equilibrium?

A)0.03 N m
B)0.29 N m
C)0.58 N m
D)2.90 N m

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