690_Mechanics SolutionInstructors_Sol.Manual-Mechanics_Materials_7e.book_Gere_light.1

690_Mechanics SolutionInstructors_Sol.Manual-Mechanics_Materials_7e.book_Gere_light.1

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684 CHAPTER 8 Applications of Plane Stress Problem 8.5-9 Determine the maximum tensile, compressive, and shear stresses at points A and B on the bicycle pedal crank shown in the figure. The pedal and crank are in a horizontal plane and points A and B are located on the top of the crank. The load P ± 160 lb acts in the vertical direction and the distances (in the horizontal plane) between the line of action of the load and points A and B are b 1 ± 5.0 in., b 2 ± 2.5 in. and b 3 ± 1.0 in. Assume that the crank has a solid circular cross section with diameter d ± 0.6 in. b 1 b 2 b 3 b 3 ² P = 160 lb P A B d = 0.6 in. Crank Top view b 2 = 2.5 in. b 3 = 1.0 in. b 3 A b 1 = 5.0 in. B Solution 8.5-9 P ± 160 lb d ± 0.6 in. b 1 ± 5.0 in. b 2 ± 2.5 in. b 3 ± 1.0 in. S TRESS RESULTANTS
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