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 -
Explanations:
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