Solved: The speed of the brake drum shown is controlled by a belt attached to the
Chapter 8, Problem 8.117(choose chapter or problem)
The speed of the brake drum shown is controlled by a belt attached to the control bar AD. Knowing that the coefficient of static friction is 0.30 and that the brake drum is rotating counterclockwise, determine the minimum value of a for which the brake is not self-locking.
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