A 1 m long steel rod with a cross-section of 20 mm x 20 mm is subjected to tensile forces of 40 KN. Determine the elongation of the rod if the modulus of elasticity is 200 GPa.

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A 1 m long steel rod with a cross-section of 20 mm x 20 mm is subjected to tensile forces of 40 KN. Determine the elongation of the rod if the modulus of elasticity is 200 GPa.

a) 50 mm

b) 0.5 mm

c) 5 mm  (Ans)

d) 0.005 mm