Physics · Elasticity
A light uniform rod PQ of length 150 cm is suspended from the ceiling horizontally using two vertical metal wires A and B tied to the ends P and Q of the rod respectively. The ratios of the radii and the Young's moduli of the materials of the two wires A and B are 2:3 and 3:2 respectively. The distance from end P at which a weight should be suspended from the rod such that the elongations of both wires become equal is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 145 cm from Q
- 240 cm from Q
- 3100 cm from P
- 490 cm from P✓
Correct answer
90 cm from P
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