Question: A force F = 990I + 4820J N is applied to a truss at point B. Using point A as the origin, rg =

A force F = 990I + 4820J N is applied to a truss at point B. Using point A as the origin, rg = 0.5 + 0.61J m and rc = 0.42 + 0 m. %3D What is the force in element BC (with tension expressed as a positive value), in units of N? F B JA A Drawing is not to scale -3,141.86

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