In the structure shown in the figure, all members are assumed to be solid rigid members. The system is pinned to the wall at point A and supported by a roller at point E. Calculate The force on member BD and the reactions at A and E. 3 m 3m 2 m 120 kN D 2 m

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Equilibrium and Support Reactions

Civil engineers deal with structures that are composed of several members connected or with individual members such as beams and columns. To analyze such structures, the condition of statics must be applied. Under the static condition, the members are considered to be in equilibrium under the action of forces, that is, the members are assumed to be having negligible velocity.