Question $1$: Statics

Part a

Calculate the forces in the tie and the strut of the set$-$up in Fig la below. Then calculate the vertical and horizontal components of the reactions at A and B $.$

Fig. $1$a$.$

Part b

Calculate the tension in the string and the reaction at the hinge for the hoist set$-$up shown in Fig. $1$ b below.

Neglect the weight of the elements.

Fig $1$b$.$