All Problems

Elastic deformations

Problem 1.309

Find the elastic deformation energy of a steel rod of mass \(m=3.1 \mathrm{~kg}\) stretched to a tensile strain \(\varepsilon=1.0 \cdot 10^{-3}\)

Reveal Answer
U=1/2mEε2/ρ=0.04 kJ, where ρ is the density of steel. U=1 / 2 m E \varepsilon^{2} / \rho=0.04 \mathrm{~kJ}, \text { where } \rho \text { is the density of steel. }
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