Physics · Strength of Materials

The volumetric strain of a rectangular body subjected to three mutually perpendicular stresses is given by (where σ x , σ y , and σ z are the stresses, E is Young's modulus, and ν is Poisson's ratio):

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Correct answer

σ x + σ y + σ z E (1 - 2ν)

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The volumetric strain of a rectangular body subjected to three mutually perpendicular stresses is given by (where &sigma; x , &sigma; y , and &sigma; z are the stresses, E is Young's modulus, and &nu; is Poisson's ratio):