The sign has a mass of 1200 N with center of mass at G. Determine the x, y, z components of reaction at the ball- and-socket joint A and the tension in wires BC and BD.
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The unique location where the weighted relative position of the distributed mass accumulates to zero is known as the centre of mass (also known as the balance point) of a distribution of mass in space. Here is where a force can be applied to produce a linear acceleration without also producing an angular acceleration. When calculations in mechanics are made in relation to the centre of mass, they are frequently made simpler. It is a fictitious location where one can suppose that an object's full mass is concentrated in order to see its motion.
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