Question: The chandelier is supported by three chains which are concurrent at point O. If the resultant force at O has magnitude FR and is directed

The chandelier is supported by three chains which are concurrent at point O. If the resultant force at O has magnitude FR and is directed along the negative z axis, determine the force in each chain assuming FA = FB = FC = F.
Given:
a = 6 ft
b = 4 ft
FR = 130 lb

FB Fc FA 120 120 120

FB Fc FA 120 120 120

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