An aluminium wire 1 m in length and radius 1 mm is loaded with a mass of 40 kg hanging vertically. Young’s modulus of Al is 7.

An aluminium wire 1 m in length and radius 1 mm is loaded with a mass of 40 kg hanging vertically. Young’s modulus of Al is 7.0 × 10¹⁰ N/m². Calculate (a) tensile stress (b) change in length (c) tensile strain and (d) the force constant of such a wire.

An aluminium wire 1 m in length and radius 1 mm is loaded with a mass of 40 kg hanging vertically. Young’s modulus of Al is 7.0 × 10^10 N/m^2.

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