The area under the extension-load graph Of an elastic material whose elastic limit has not been exceeded gives its:
Correct answer: B. Strain energy
- A. Stress
- B. Strain energy
- C. Strain
- D. Young modulus
Explanation
Strain energy is the energy stored by an object undergoing deformation. Area under the extension-load graph represents work done to cause the deformation. An object which has not reached its elastic limit, the work done during stretching is recovered when it is unloaded.
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