13-42. The ideal column is subjected to the force F at its midpoint and the axial load P . Determine the maximum moment in the column at midspan. EI is constant. Hint: Establish the differential equation for deflection, Eq. 13-1 . The general solution is v = C1 sin kx + C2 cos kx - c2x/k2, where c2 = F/2EI, k2 = P/EI. | |
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