Question: See figure below. The circular bar has a 4m radius and lies in the x-y plane. The cable AB is attached to the collar at

See figure below. The circular bar has a 4m radius and lies in the x-y plane. The cable AB is attached to the collar at A and to point B on the y-z plane. a) Find the unit vector from A to B. (10 points) b) If the tension in the cable AB is 50 N, find the moment about the lower end of the circular bar due to the force exerted on the collar by the cable

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