1 Answers

**(a)**

Consider the above-given diagram and draw a free body diagram of point C,

Now apply the force equilibrium in the x-direction,

Now apply the force equilibrium in the y-direction,

From equations (1) and (2),

Therefore, the tension in cable AC is 1244.2 lb.

**(b)**

From equation (1),

Therefore, the tension in rope BC is 115.4 lb

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