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Question
An axial pull of 20 kN is suddenly applied on a steel rod 2.5 m long and 1000 mm2 in cross-section. Calculate the strain energy in kN-mm, which can be absorbed in the rod. Take E = 200 GPa.
A.
2.5
B.
20
C.
10
D.
5
Answer ( Option C)

10

Solution

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