The construction features of a cantilever truss bridge are rebreak in the figure. Here it can be seen that the center truss \(C D\) is suspended by the cantilever arms \(A B C\) and \(D E F . C\) and \(D\) are pins. Determine the vertical reactions at the supports \(A, B\), \(E\), and \(F\) if a 15 -k load is applied to the center truss.

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V15 k B -200 ft -200 ft 100 ft 100 ft D +150 E F -150 ft -150 ft-