Stress, strain, elasticity, Hooke's law, elastic moduli.
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Q1 · Mechanical Properties of Solids (1st PUC) · MEDIUM
A steel wire of length 2.5 m and cross-sectional area 1.5 × 10⁻⁶ m² is stretched by 2 mm when a load is applied. If Young's modulus of steel is 2 × 10¹¹ N/m², the tension in the wire is: