The apparatus shown consists of a pulley of mass m and radius R mounted to a pole on a stand. The stand rests on a table. A block is attached to a string which is wrapped around the pulley, and another string is attached to the top of the pulley and connected horizontally to a wall, preventing the pulley from turning. The pole, stand, and bloc each also have mass m, making the total mass of the apparatus 4m. 11 In terms of the given quantities, the magnitude of the torque provided by the hor izontal string is A. 2mgR. 1 B. mgR.
The apparatus shown consists of a pulley of mass m and radius R mounted to a pole on a stand. The stand rests on a table. A block is attached to a string which is wrapped around the pulley, and another string is attached to the top of the pulley and connected horizontally to a wall, preventing the pulley from turning. The pole, stand, and bloc each also have mass m, making the total mass of the apparatus 4m. 11 In terms of the given quantities, the magnitude of the torque provided by the hor izontal string is A. 2mgR. 1 B. mgR.
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Transcribed Image Text:Questions 11-12 refer to the following diagram.
The apparatus shown consists of a pulley of mass m and radius R mounted to a pole
on a stand. The stand rests on a table. A block is attached to a string which is wrapped
around the pulley, and another string is attached to the top of the pulley and connected
horizontally to a wall, preventing the pulley from turning. The pole, stand, and block
each also have mass m, making the total mass of the apparatus 4m.
11 In terms of the given quantities, the magnitude of the torque provided by the hor-
izontal string is
A. 2mgR.
C. 4mgR.
B. mgr.
D. mgR.
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