Question: Tube A B Problem 2. A solid steel bar of diameter d, enclosed by a steel tube of outer diameter dz = 3 in.

Tube A B Problem 2. A solid steel bar of diameter d,

Tube A B Problem 2. A solid steel bar of diameter d, enclosed by a steel tube of outer diameter dz = 3 in. and inner diameter d2 2 in. is %D Bar = 2.5 in. Both bar and tube are held rigidly by a support at end A and joined securely to a rigid plate at end B. The composite bar, which has length L = 20 in, is twisted by a torque T = 6,000 lb in. acting on the end plate. End L- plate d1 (a) Determine the maximum shear stresses, t1, T2, in the bar and tube, respectively. -d2 (b) Determine the angle of rotation o (in degrees) of the end plate, assuming that the shear modulus of the steel is G = 12 106 psi. -d3-

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