The figure below shows a steel rod of 25 mm2 cross-sectional area. It – McqOptions

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1.	The figure below shows a steel rod of 25 mm2 cross-sectional area. It is loaded at four points, K, L, M, N. Assume E steel = 200 GPa. The total change in length of the rod due to loading is
A.	1 μm
B.	-10 μm
C.	10 μm
D.	-20 μm
Answer» C. 10 μm

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