A steel rod (Young's modulus = 2 × 1011 Nm–2) has an area of cross-section 3 × 10–4 m2 and length 1 m. A force of 6 × 104 N stretched it axially. The elongation of the rod is

Engineering

Physics

Elasticity

Question

A steel rod (Young's modulus = 2 × 10¹¹ Nm^–2) has an area of cross-section 3 × 10^–4 m² and length 1 m. A force of 6 × 10⁴ N stretched it axially. The elongation of the rod is

5 × 10^–2 m

5 × 10^–3 m

10^–4 m

10^–3 m

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