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1. |
Elastic strain energy per unit volume or strain energy density is NOT equal to ________Where σx=stress in x direction, εx=strain in x direction, E=young’s modulus, P=load, Δ=elongation.a) \(\frac{1}{2}(\sigma x\epsilon x)\) b) \(\frac{1}{E}(\sigma x^2)\) c) \(\frac{1}{2}(E\epsilon x^2)\) d) \(\frac{1}{2}(p \Delt |
A. | \(\frac{1}{2}(\sigma x\epsilon x)\) |
B. | \(\frac{1}{E}(\sigma x^2)\) |
C. | \(\frac{1}{2}(E\epsilon x^2)\) |
D. | \(\frac{1}{2}(p \Delta)\) |
Answer» E. | |