The light boom AB is attached to a vertical wall by a ball and socket joint at A and supported by two cables at B. A force P is applied at B where P = 14i - 16j kN.Note that the reaction force at A acts along the boom because it is a two- force member. Calculate the magnitude of the reaction force at A in kN. 2m 4 m 6 m y A 6m u 7.

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