The A-36 steel bar consists of two segments, one of
Chapter 14, Problem 14-3(choose chapter or problem)
The A-36 steel bar consists of two segments, one of circular cross section of radius r, and one of square cross section. If the bar is subjected to the axial loading of P, determine the dimensions a of the square segment so that the strain energy within the square segment is the same as in the circular segment.
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