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Stress and Strain

Tension/Compression

Tension/Compression

Tension: The rod is stretched a length $\Delta L$ when a force is applied parallel to its length. (b) Compression: The same rod is compressed by forces with the same magnitude in the opposite direction. For very small deformations and uniform materials, $\Delta L$ is approximately the same for the same magnitude of tension or compression. For larger deformations, the cross-sectional area changes as the rod is compressed or stretched.

Source

    Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:

    "OpenStax College, Elasticity: Stress and Strain. January 31, 2013."
    http://cnx.org/content/m42081/latest/Figure_06_03_03a.jpg OpenStax CNX CC BY 3.0.

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