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Relation between elastic moduli for isotropic material:
AE + G = K
BE = 2G(1+ν) = 3K(1-2ν)
CE = G
DNo relation
Answer & Solution
Correct answer: B. E = 2G(1+ν) = 3K(1-2ν)
Two independent constants suffice for isotropic linear elastic material. Relations: E = 2G(1+ν) = 3K(1-2ν). For ν=0.3: E ≈ 2.6G ≈ 2.5K. Knowing any two, you can derive all four (E, G, K, ν).
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