8.14 (B). Calculate the minimum diameter of a solid shaft which is required to transmit 70 kW at 600 rev/min if the shear stress is not to exceed 75 MN/m2. If a bending moment of 300 Nm is now applied to the shaft find the speed at which the shaft must be driven in order to transmit the same horsepower for the same value of maximum shear [630 rev/min.] stress.

Structural Analysis
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Chapter2: Loads On Structures
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Hello, i have question in mechanics of materials that I need the solution for, I already have the final results but I just need the steps for the answer, Can you please help me? I will submit the pictures showing the problem. (Edited)

8.14 (B). Calculate the minimum diameter of a solid shaft which is required to transmit 70 kW at 600 rev/min if
the shear stress is not to exceed 75S MN/m². If a bending moment of 300 Nm is now applied to the shaft find the speed
at which the shaft must be driven in order to transmit the same horsepower for the same value of maximum shear
[630 rev/min.]
stress.
Transcribed Image Text:8.14 (B). Calculate the minimum diameter of a solid shaft which is required to transmit 70 kW at 600 rev/min if the shear stress is not to exceed 75S MN/m². If a bending moment of 300 Nm is now applied to the shaft find the speed at which the shaft must be driven in order to transmit the same horsepower for the same value of maximum shear [630 rev/min.] stress.
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