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Q: A 1 m long steel rod with a cross-section of 20 mm × 20 mm is subjected to tensile force of 40 kN. Determine the elongation of the rod if the modulus of elasticity is 200 GPa.
  • A. 0.005 mm
  • B. 0.5 mm
  • C. 5 mm
  • D. 50 mm
Correct Answer: Option B -
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Explanations:

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