Determine the distance x̅ to the center of mass of the homogeneous rod bent into the shape shown. If the rod has a mass per unit length of 1 kg/m, determine the reactions at the fixed support O.

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Center of Gravity and Centroid

The term center of gravity indicates the position or location of a point about which the whole weight of a body or system is supposed to be concentrated, which means the whole weight of the body or system works through this point. It is closely related to mass distribution. For all positions of the body, the center of gravity would be a single point.