4 The shaft ABCD shown in Figure Q4 is fixed on both ends. Two (2) external torques are applied at points B and C as shown. Given Gsteel = 75 GPa, Gatuminium = 27 GPa and Gpronze = 38 GPa. a) Determine the reactions at A and D. b) Determine the maximum shear stress in the shaft and in which section does it occur. 300 Nm 700 Nm |C D Steel Aluminium Bronze Ø = 25 mm Ø = 50 mm Ø = 25 mm 2 m 1.5 m 1 m Figure Q4 [Ans: a) TA = 485 N.m, TD = 515 N.m; b) tmax = 168 MPa]

4 The shaft ABCD shown in Figure Q4 is fixed on both ends. Two (2) external torques are applied at points B and C as shown. Given Gsteel = 75 GPa, Gatuminium = 27 GPa and Gpronze = 38 GPa. a) Determine the reactions at A and D. b) Determine the maximum shear stress in the shaft and in which section does it occur. 300 Nm 700 Nm |C D Steel Aluminium Bronze Ø = 25 mm Ø = 50 mm Ø = 25 mm 2 m 1.5 m 1 m Figure Q4 [Ans: a) TA = 485 N.m, TD = 515 N.m; b) tmax = 168 MPa]

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter3: Torsion

Section: Chapter Questions

Problem 3.7.8P: A tubular shaft being designed for use on a construction site must transmit 120 kW at 1,75 Hz, The...

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