Determine the ratios p1 : p2 : p3 of the critical loads

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Three pinned-end columns of the same material have the same length and the same cross-sectional area (see figure). The columns are free to buckle in any direction. The columns have cross sections as follows: (1) a circle, (2) a square, and (3) an equilateral triangle.

Determine the ratios P1 : P2 : P3 of the critical loads for these columns.

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Reference no: EM131065052

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