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Shear Modulus

A rod of leng...

Question

A rod of length L and diameter D is subjected to a tensile load P. Which of the following is sufficient to calculate the resulting change in diameter?

Youngs modulus

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Shear modulus

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Poissons ratio

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both Youngs modulus and Shear modulus

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Solution

The correct option is D both Youngs modulus and Shear modulus
Young's modulus $= \frac{\frac{F}{A}}{\frac{△ l}{l}}$
Shear Modulus $= \frac{p}{\frac{△ V}{V}}$

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