A traffic light hangs from a pole as shown in Fig. 9-55. The uniform aluminum pole AB

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A traffic light hangs from a pole as shown in Fig. 9-55. The uniform aluminum pole AB is 7.50 m long and has a mass of 12.0kg. The mass of the traffic light is 21.5 kg. Determine
(a) The tension in the horizontal mass-less cable CD, and
(b) The vertical and horizontal components of the force exerted by the pivot A on the aluminum pole


37 3.80 m
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Fundamentals of Physics

ISBN: 978-0471758013

8th Extended edition

Authors: Jearl Walker, Halliday Resnick

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