General Studies · Strength of Materials
A tapering bar with diameters of end sections being d1 and d2, and a bar of uniform cross-section d have the same length and are subjected to the same axial pull. Both bars will have the same extension if d is equal to:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1√((d1 + d2) / 2)
- 2√((d1d2) / 2)
- 3√(d1d2)✓
- 4(d1 + d2) / 2
Correct answer
√(d1d2)
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