Let a wire be suspended from the ceiling (rigid support) and stretched by a weight \(W\) attached at its free end. The longitudinal stress at any point of cross-sectional area \(A\) of the wire is:
1. zero
2. \(\dfrac{2W}{A}\)
3. \(\dfrac{W}{A}\)
4. \(\dfrac{W}{2A}\)
Subtopic:  Stress - Strain |
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