Physics · Strength of Materials
A bar with a variable cross-section A(x) and length L is subjected to an axial load P. If E is the Young's modulus of the material, which of the following expressions gives the total axial deformation of the bar?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1∫ P dxA(x)
- 2∫ P • E dxA(x)
- 3∫ P dxE • A(x)✓
- 4∫ P dx
Correct answer
∫ P dxE • A(x)
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