Please show clear and complete solutions. Box the final answers. Note: The tolerance is ± 1 in the third significant digit The signboard truss is designed to support a horizontal wind load of 700 lb. if the resultant of this load passes through point C, calculate the forces in members G and F. The forces are positive if in tension, negative if in compression.

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Bars

In civil engineering, bars refer to steel reinforcement bars or rebars. These are structural members primarily used for reinforcement purposes in masonry works. A bar is characterized by its cross-sectional area, which is negligible compared to its length. Bars are usually manufactured by steel which is uniform throughout the length, or by meshing multiple steel wires. Other materials of the bar include carbon steel, glass fiber, carbon fiber, and basalt fiber. The reinforcing bars are coated with epoxy resins and other materials to enhance some of their properties including corrosion resistance.