Q 44. A force of 400 N is applied to the brake drum of 0.5m diameter in a band-brake
system as shown in the figure, where the wrapping angle is 
. 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: (B)
Explanation:
