A force of 400 N is applied to the brake drum of 0.5 m diameter in a b – McqOptions

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1.	A force of 400 N is applied to the brake drum of 0.5 m diameter in a band 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 0.25, the braking torque applied, in Nm is
A.	100.6
B.	54.4
C.	22.1
D.	15.7
Answer» C. 22.1

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