Question

one end of a rope of lenght45cm and its diameter 6mm is fixed
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Answer 1

$Here, =4.5m,D=6mm=6×10−3m,F=100N,Y=4.8×1011Nm−2,σ=0.2</p><p>As Y=AFΔll</p><p>∴Δl=AFYl=3.14×(3×10−3)2×4.8×1011100×4.5=3.32×10−5m</p><p></p><p>$

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