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257_Mechanics SolutionInstructors_Sol.Manual-Mechanics_Materials_7e.book_Gere_light.1

# 257_Mechanics SolutionInstructors_Sol.Manual-Mechanics_Materials_7e.book_Gere_light.1

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Problem 3.2-5 Solve the preceding problem if the length L 56 in., the inner radius r 1 1.25 in., the angle of twist is 0.5°, and the allowable shear strain is 0.0004 rad. SECTION 3.2 Torsional Deformations 251 Solution 3.2-4 N UMERICAL DATA L 1000 mm r 1 45 mm (a) S HEAR STRAIN AT INNER SURFACE 1 393 10 6 radians ; 1 r 1 f L f 0.5 a p 180 b radians (b) M AX . PERMISSIBLE OUTER RADIUS max 0.0004 radians r 2max 50.9 mm ; r 2max max L f max r 2 f L f 0.45 a p 180 b radians Solution 3.2-5
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