A metal bar of 10 mm diameter when subjected to a pull of 23.5 kN gave an elongation of 0.3 mm on a gauge length of
200 mm. The Young's modulus of elasticity of the metal will nearly be
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Diameter of bar = 10 mm
Area = (π/4)D^2 = 78.54 mm^2
Force, F = 23.5 kN = 23500 N
∆L = 0.3 mm
L = 200 mm
Young's modulus, E = ?
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