Q.4) The tensile force in cable AB has a magnitude of 80 lb. The cable is attached to a collar at A that slides on bar CD. Neglect the weight of collar A. (a) Determine the Cartesian coordinates of point A. (b) Express the tensile force in cable AB as a Cartesian vector and find its components along rod CD and perpendicular to it. X B 6 ft. 3 ft. -4 ft. Z 6 ft. A C T 5 ft. A y
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