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Two wires of equal length are suspended vertically at a distance of 40 cm as shown in the figure below. Their upper ends are fixed to the ceiling while their lower ends support a rigid horizontal bar which carries a central load of 1t midway between the wires. Details of the two wires are given below: Wire No.Area (cm2)MaterialModulus of Elasticity (kg/cm2)Elongation14Copper1 ×106ΔC22Steel2 × 106ΔSThe ratio of the elongation of the two wire, ΔC/ΔS is |
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Answer» Two wires of equal length are suspended vertically at a distance of 40 cm as shown in the figure below. Their upper ends are fixed to the ceiling while their lower ends support a rigid horizontal bar which carries a central load of 1t midway between the wires. Details of the two wires are given below:
The ratio of the elongation of the two wire, ΔC/ΔS is |
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