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A traffic light hangs from a pole as shown in Fig. 9–55. The uniform aluminum pole AB is
Chapter 9, Problem 21P(choose chapter or problem)
(II) 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 12.0 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.
Figure 9-55 Problem 21
Questions & Answers
QUESTION:
(II) 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 12.0 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.
Figure 9-55 Problem 21
ANSWER:
Step 1 of 4
a.)
We have to determine the tension in the horizontal massless cable CD.
The free body diagram for the pole is as shown in the figure below.
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