Physics · Strength of Materials
Which of the following correctly defines true stress as compared to engineering stress?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1True stress is based on the initial cross-sectional area
- 2True stress = Engineering stress × (instantaneous length / original length)
- 3True stress = Load / instantaneous cross-sectional area✓
- 4True stress is always less than engineering stress
Correct answer
True stress = Load / instantaneous cross-sectional area
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