Determine the design angle  ( <90°) bretween the two struts so that the 500-lb horizontal force has a component of 600lb directed from A toward C.

1. 

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Determine the design angle thetaa (thetaa <90°) bretween the two struts so that the 500-lb horizontal force has a component of 600lb directed from A toward C. That is the component of force acting along member AB?
[A]. FAB = 321 lb, thetaa = 40.0°
[B]. FAB = 383 lb, thetaa = 36.9°
[C]. FAB = 171.1 lb, thetaa = 20.0°
[D]. FAB = 215 lb, thetaa = 52.7°

Answer: Option D

Explanation:

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