a traffic light hangs from a structure. the uniform aluminum pole AB is 7.5 m long and has a mass of 8.0 kg. the mass of the traffic light is 12.0 kg. determine the tension in the horizontal and vertical components of the force exerted by the pivot A on the aluminum pole. (AC is 3.80 m)
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a traffic light hangs from a structure. the uniform aluminum pole AB is 7.5 m long and has a mass of...
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