Q42
A steel rod 1 metre long having square cross section is pulled under a tensile load of 8 tonnes. The extension in the rod was 1 mm only. If Esteel = 2 × 106 kg/cm2, the side of the rod, is
A.
1 cm
B.
1.5 cm
C.
2 cm
AnswerD.
2.5 cm
Answer: Option C
Solution
Answer: Option C
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