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Elastic moduli (stretching in one, two, and three dimensions)
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In general,  (弹性模量)
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Tensile stress and strain |
Unit of stress: 1 pascal = 1 N/m2
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In many cases, bodies can experience both tensile and compressive (压缩) stresses at the same time.
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Drop an object into a deep-sea trench |
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Shear (剪切) stress and strain |
Shear modulus,
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Elasticity (弹性) and plasticity (塑性) |
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| Stress-strain diagram Elastic hysteresis (回线) |
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