General Studies · Springs
If a closed coil helical spring absorbs 30 N·mm of energy while extending by 5 mm, its stiffness is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 110.0 N/mm
- 26.0 N/mm
- 34.0 N/mm
- 42.4 N/mm✓
Correct answer
2.4 N/mm
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