QUESTION $3$

The rigid beam ABC is loaded as shown in Figure Q$3.$ The beam is pin$-$supported suspended in the horizontal position at B by the bar BD which is pinned at end D $.$ If t in equilibrium,

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a$)$ Draw the free body diagram of the beam ABC $.$

b$)$ Determine the force in bar BD and indicate its sense.

c$)$ Calculate the support reactions at support C$.$