Problem

A band brake is in contact with drum C through an angle of 180° and is connected to the ho...

A band brake is in contact with drum C through an angle of 180° and is connected to the horizontal lever at A and B, as shown.

The drum diameter is 16 in. The coefficient of kinetic friction between the brake band and the drum is 0.40. Force P is 90 lb. Determine the tensions at A and B in the handbrake if the drum is rotating

(a) clockwise


(b) counterclockwise

Problem

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