Mathematics · Strength of Materials
A solid bar 50 mm in diameter and 2000 mm long consists of a steel and aluminum part joined together in series. When an axial force P is applied to the system, a strain gauge attached to the aluminum indicates an axial strain of 800 μm/m. What is the corresponding axial strain on the steel? Assume Est = 200 GPa and EAl = 70 GPa.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 114 μm/m
- 2280 μm/m✓
- 3140 μm/m
- 428 μm/m
Correct answer
280 μm/m
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