A traffic light weighing 25 kg hangs from a vertical cable tied to two other cables that are fastened to a support, as in Figure . The upper cables make angles of 50o and 30o with the horizontal. Find the tension(T1,T2 and T3) in each of the three cables. 1. The tension T1 calculated from the above diagram is = 2. The tension T2 calculated from the above diagram is = 3. The tension T3 measured from the above diagram is =

Q: Two forces are applied to a car in an effort to move it, as shown in the figure below. (Let F, = 420…

A: Magnitude of force 1 is F1 = 420 N Magnitude of force 2 is F2 = 365 N

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A: F1 = 25 N due east F2 = 30 N due west F3 = 54 N due north F4 = 42 N due south

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Q: 45°

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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!