Explanation Given information: The radius of the brake drum is r = 8 in . . The value of the distance a is 4 in. Calculation: The magnitude of the force P is zero for the brake is not self-locking. P = 0 Show the free-body diagram of the brake drum as in Figure 1. Find the angle of the belt wounded around the drum as follows; β = 1 2 × 2 π = π Find the tension T 2 in terms of tension T 1 using the equation. T 2 T 1 = e μ s β T 2 = T 1 e μ s β Show the free-body diagram of the control bar as in Figure 2. Take moment about point C

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Author: BEER

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Chapter 8.4, Problem 8.116P

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Find the maximum value of coefficient of static friction for the brake is not self-locking when the drum rotates counterclockwise.

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Chapter 8.4, Problem 8.115P

Chapter 8.4, Problem 8.117P

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Chapter 8 Solutions

VECTOR MECHANICS FOR ENGINEERS: STATICS

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Find the maximum value of coefficient of static friction for the brake is not self-locking when the drum rotates counterclockwise.

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Find the maximum value of coefficient of static friction for the brake is not self-locking when the drum rotates counterclockwise.

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Chapter 8 Solutions