A traffic light weighing 122 N hangs from a cable tied to two other cables fastened to a support. The upper cables make angles of 37.0◦ and 53.0◦ with the horizontal. These upper cables are not as strong as the vertical cable, and will break if the tension in them exceeds 100 N. Will the traffic light remain hanging in this situation, or will one of the cables break?

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A: a) Draw the free-body diagram of the traffic signal.

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A:

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Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!