1.

The total elongation of the structural element (fixed at one end, free at the other end, and of varying cross-section) as shown in the figure, when subjected to load 2P at the free end is

A. \(6.66\frac{{P\;l}}{{AE}}\)
B. \(5.55\frac{{P\;l}}{{AE}}\)
C. \(4.44\frac{{P\;l}}{{AE}}\)
D. \(3.33\frac{{P\;l}}{{AE}}\)
Answer» B. \(5.55\frac{{P\;l}}{{AE}}\)


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