Question: 4. Two solid shafts (G=75 GPa) are connected using gears as shown. Shaft ACEG has a diameter of 50 mm and shaft BDF has

4. Two solid shafts (G=75 GPa) are connected using gears as shown. Shaft ACEG has a diameter of 50 mm and shaft BDF has a diameter of 30 mm. The ends of the shafts are fixed at A and B, and the shafts are free to spin at all other bearings. Determine the maximum torque TG that can be applied at end G if the maximum allowable shear stress is 50 MPa in both shafts and the allowable angle of rotation at G is 5. (20 marks) A B G TG 1.0 m E 1.5 m r = 100 mm E r = 60 mm

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