Problem 28-3 Using the method of sections, determine the force in members BD, CD, and CE of the roof truss shown in Fig. P-417.

\(F_{BD} = 160 \, \text{kN (C)}\) \(F_{CD} = 200 \, \text{kN (C)}\) \(F_{CE} = 320 \, \text{kN (T)}\)