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Transcribed image text: 4. A traffic light hangs from a pole as shown in the figure below. The uniform aluminum pole AB is 7.20 m long and has a mass of 12.0 kg. The mass of the traffic light is 21.5 kg. Determine (a) the tension in the horizontal massless cable CD, and (b) the vertical and horizontal components of the force exerted by the pivot A on the aluminum pole. (6 points) D 3.80 m C 37° 4000

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