Question: A beam ABCD with a vertical arm CE is supported as a simple beam at A and D (see figure). A cable passes over a

A beam ABCD with a vertical arm CE is supported as a simple beam at A and D (see figure). A cable passes over a small pulley that is attached to the arm at E. One end of the cable is attached to the beam at point B.
What is the force P in the cable if the bending moment in the beam just to the left of point C is equal numerically to 640 lb-ft? (Disregard the widths of the beam and vertical arm and use centerline dimensions when making calculations.)

Cable 8 ft Iol 6 ft

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