A 7/8 in. diameter shaft made out of ductile material is used to transmit power from motor. The maximum allowable shear stress, τallow = 14.5 ksi is used for this shaft, and the shaft rotates at 200 rpm. a. Find out the polar moment of inertia of the shaft.  b. Find out the maximum Torque, T is being applied to the shaft.  c. What would be the power of the motor?

Automotive Technology: A Systems Approach (MindTap Course List)
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ISBN:9781133612315
Author:Jack Erjavec, Rob Thompson
Publisher:Jack Erjavec, Rob Thompson
Chapter46: Suspension Systems
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A 7/8 in. diameter shaft made out of ductile material is used to transmit power from
motor. The maximum allowable shear stress, τallow = 14.5 ksi is used for this shaft, and
the shaft rotates at 200 rpm.

a. Find out the polar moment of inertia of the shaft. 
b. Find out the maximum Torque, T is being applied to the shaft. 
c. What would be the power of the motor?

M
A
В
Figure 3: A shaft is transmitting power from motor.
Transcribed Image Text:M A В Figure 3: A shaft is transmitting power from motor.
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