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

• A. 6.2 × 106 Nm-2
• B. 5.2 × 106 Nm-2
• C. 3.1 × 106 Nm-2
• D. 4.8 × 106 Nm-2