Question

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 π ms^-2, What will be the tensile stress that would be developed

(A) 6.2 × 10⁶ N m^-2

(B) 5.2 × 10⁶ N m^-2

(C) 3.1 × 10⁶ N m^-2

(D) 4.8 × 10⁶ N m^-2

Answer 1

(C) 3.1 × 10⁶ N m^-2