1.

A steel rod of cross-sectional area 10 mm2 is subjected to loads at points P, Q, R and S as shown in the figure below:If Esteel = 200 GPa, the total change in length of the rod due to loading is

A. -5 μm
B. -10 μm
C. -20 μm
D. -25 μm
Answer» E.


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