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Strength of Materials

Strength of Shafts in Torsion

A circular sh...

Question

A circular shaft of diameter 30 mm having shear modulus G = 80 GPa is subjected to moment as shown below.

What is the maximum shear stresses developed at periphery of shaft at A?

A

20.6 MPa

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B

15.3 MPa

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C

7.4 MPa

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D

Zero

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Solution

The correct option is D Zero
Since end A is free, hence the shear stress will not develop at A.

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