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What is all about the stress-strain relation in tension? |
Answer
When you pull on something, it stretches a bit. Even materials you think are rigid, stretch if enough force is applied. The numbers are very important since they say a lot about the characteristics of materials.
Of course all this depends on the thickness of the thing that stretches, so engineers use units that include the cross-sectional area.
Strain (Think INch) is the deflection or distance the material stretches.
Stress (Think pRESSure) is the force/cross-section, perhaps PSI.
First answer by Eric M Jones. Last edit by Eric M Jones. Contributor trust: 382 [recommend contributor]. Question popularity: 15 [recommend question]
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