Problem No. 1: Using MCD, determine the reactions and the forces in each of the member of the truss as shown. Member Diameter, mm E, GPa AD 70 200 AC 70 200 BD 70 200 BC 70 200 CD 50 200 80 kN 60 kN D 5 m 5 m B E5 m 5 m T

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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.