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Which of the following equations give the relation between material properties like modulus of elasticity (E), modulus of rigidity (G), and Poisson’s ratio (u)?

(a) E = 2*G*(1+u)

(b) E = 3*G*(1+u)

(c) E = 2*G*(1-u)

(d) E = 3*G*(1-u)

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Right choice is (a) E = 2*G*(1+u)

Explanation: The relation between the material properties is given by

E = 2*G*(1+u)

Here E is the ratio of normal stress to normal strain. G is the ratio of shear stress to shear strain and u is the ratio of lateral strain to longitudinal strain.

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