Assuming that the 120-kip load is removed from the truss in Figure P9.25, compute the reac...

Assuming that the 120-kip load is removed from the truss in Figure P9.25, compute the reactions and bar forces if the temperature of bars AB and BC increases 60°F; the coefficient of temperature expansion α = 6 × 10⁻⁶ (in./in.)/°F.

Figure P9.25: