Physics · Elasticity
Consider a system where a vertical light wire supports a mass m1, which connects to another mass m2 over a frictionless pulley. If a downward force F = m2g2 is applied, the area of cross-section of the wire is A, and its Young's modulus is Y, then the strain developed in the wire supporting m1 is given by:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1m2g2AY × (2m1 + m2)(m1 + m2)✓
- 2m2gAY × (2m1 + m2)(m1 + m2)
- 3m2g2AY × (m1 + 2m2)(m1 + m2)
- 4m2gAY × (m1 + 2m2)(m1 + m2)
Correct answer
m2g2AY × (2m1 + m2)(m1 + m2)
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