The diameter of a brake drum is 30 cm. the pivot for the brake shoe and the point of
application of the force actuating the shoe are 120 mm each from the axis of rotation.
Assume that the pressure distribution over the brake lining is equal to a single force
acting radially and the coefficient of friction is 0.25. Calculate the braking torque
exerted by an operating force of 900 N on:
i. The leading shoe
ii. The trailing shoe
The answer to your question is provided in the image:
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