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Q.

A structural steel rod has a radius of 10 mm and length of 1.0 m. A 100 kN force stretches it along its length. Young’s modulus of structural
steel is 2 × 1011 Nm–2. The percentage strain is about

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a

0.16%

b

0.32%

c

0.08%

d

0.24%

answer is A.

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