A force of 271 N is applied to the brake drum of 2 m diameter in the hand brake system as shown in the figure, where the wrapping angle is 180°. If the coefficient of friction between the drum and the band is 7/22, the braking torque applied in Nm is

A force of 271 N is applied to the brake drum of 2 m diameter in the h

1.	A force of 271 N is applied to the brake drum of 2 m diameter in the hand brake system as shown in the figure, where the wrapping angle is 180°. If the coefficient of friction between the drum and the band is 7/22, the braking torque applied in Nm is
A.	271
B.	100
C.	171
D.	371
Answer» D. 371

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A force of 271 N is applied to the brake drum of 2 m diameter in the hand brake system as shown in the figure, where the wrapping angle is 180°. If the coefficient of friction between the drum and the band is 7/22, the braking torque applied in Nm is

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