A steel wire having a radius of 2.0 mm, carrying a load of 4 kg, is hanging from a ceiling. Given that g=3.1 \\pi ms^{-2} , what will be the tensile stress that would be developed in the wire? [8 Apr 2019 Shift 1]

Correct Answer is : 3.1×106Nm−2

JEE Main 8 Apr 2019 Paper 1 Solved Paper

Section: Physics

Question : 17 of 90

Marks: +1, -0

A steel wire having a radius of 2.0 mm, carrying a load of 4 kg, is hanging from a ceiling. Given that g=3.1πms−2 , what will be the tensile stress that would be developed in the wire?

[8 Apr 2019 Shift 1]

5.2×106Nm−2
4.8×106Nm−2
6.2×106Nm−2
3.1×106Nm−2

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