Engineering Mechanics.  Statics / R. C. Hibbeler - 8th ed.

3-38.  A vertical force P = 10 lb is applied to the ends of the 2-ft cord AB and spring AC.  If the spring has an unstretched length of 2 ft, determine the angle q for equilibrium.  Take k = 15 lb/ft.  See p. 97. DWF [ Illustration | Free-Body Diagram ]      GIF [ Illustration | Free-Body Diagram ]

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