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Text File  |  1992-09-02  |  221b  |  7 lines
  1. In the science of materials, measures of the
  2. deforming force applied to a body (stress)
  3. and of the resulting change in its shape
  4. (strain). For a perfectly elastic material,
  5. stress is proportional to strain (Hooke's
  6. law).
  7.