(Solution) - Shown are a mast and CD is of length 7 5 m and forms an angle -(2025 Original AI-Free Solution)

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Shown are a mast and a portion of the rigging of a schooner. Members CD and EF lie in the same plane, and CD is of length 7.5 m and forms an angle of 45°with a vertical line drawn through C. Knowing that when ? =10°the tension in rope BD is 250 N, determine
(a) The angle between rope BD and gaff CD,
(b) The projection on CD of the force exerted by rope BD at point D.