Physics · Properties of Matter
When a deforming force 'F' is applied along the length of a wire having an original length 'L' and a cross-sectional area 'A', the length of the wire increases by 'l'. If the Young's modulus of the material of the wire is 'Y', the elastic potential energy (u) stored in the stretched wire is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1u = AYl22L✓
- 2u = AYl2L
- 3u = A2Y2L
- 4u = AY2L
Correct answer
u = AYl22L
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