Physics · Mechanical Properties of Solids
A mild steel wire of length 2L and cross-sectional area A is stretched horizontally between two fixed pillars. A mass m is suspended from the midpoint of the wire, causing a small vertical depression x (where x << L). Within the elastic limit, the longitudinal strain produced in the wire is given by:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1x22L
- 2x2L
- 3xL
- 4x22L2✓
Correct answer
x22L2
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