The three members of the frame each have a weight per unit
Chapter 9, Problem 9-55(choose chapter or problem)
The three members of the frame each have a weight per unit length of 4 lb/ft. Locate the position \((\bar{x},\ \bar{y})\) of the center of gravity. Neglect the size of the pins at the joints and the thickness of the members. Also, calculate the reactions at the fixed support A.
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