Answering Exams

If and are external and internal diameters of a circular shaft respectively, its polar moment of inertia, is________________?

If and are external and internal diameters of a circular shaft respectively, its polar moment of inertia, is________________?

A. D4 – d4)
B. D4 – d4)
C. D4 – d4)
D. D4 – d4)(Correct)

 

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