The work done per unit volume in stretching the wire is equal to __________
Question and options
The work done per unit volume in stretching the wire is equal to __________
- stress × strain
- stress × strain
- stress / strain
- strain / stress
Answer and explanation
Correct answer: B - \(\frac{1}{2}\) stress × strain
Energy stored per unit volume in a stretched wire = × stress × strain (area under the linear stress-strain graph).
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