Shaft AB and DC are connected by gears. A torque of 35 Nm is applied at end D of shaft CD. While shaft DC is free to rotate, shaft AB is fixed at end A. Both shafts were made of steel having a modulus of rigidity, G, of 80 GPa. The shear stress (t) shall not exceed 50 MPa. It is also decided that the same diameter be used for both shafts AB and CD, and the angle of rotation at end D should not exceed 1.25 degrees. Determine the diameter of both shafts AB and shaft CD. T=35 Nm 90 mm D. 1.35 m 135 mm 1.8 m

Structural Analysis
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Chapter2: Loads On Structures
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Shaft AB and DC are connected by gears. A torque of 35 Nm is applied at end D of shaft CD. While shaft DC
is free to rotate, shaft AB is fixed at end A. Both shafts were made of steel having a modulus of rigidity, G, of
80 GPa. The shear stress (t) shall not exceed 50 MPa. It is also decided that the same diameter be used for
both shafts AB and CD, and the angle of rotation at end D should not exceed 1.25 degrees. Determine the
diameter of both shafts AB and shaft CD.
T= 35 Nm
90 mm
1.35 m
B
135 mm
1.8 m
Transcribed Image Text:Shaft AB and DC are connected by gears. A torque of 35 Nm is applied at end D of shaft CD. While shaft DC is free to rotate, shaft AB is fixed at end A. Both shafts were made of steel having a modulus of rigidity, G, of 80 GPa. The shear stress (t) shall not exceed 50 MPa. It is also decided that the same diameter be used for both shafts AB and CD, and the angle of rotation at end D should not exceed 1.25 degrees. Determine the diameter of both shafts AB and shaft CD. T= 35 Nm 90 mm 1.35 m B 135 mm 1.8 m
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