The 100kg object is held by three strings as shown in the figure below (0-60°). (a) Analyze the forces on the object, find the tension force in the bottom string. The magnitude of the tension on the bottom string: T3 = N. (b) Analyze the forces exerted on the junction of the three strings, and calculate the tension forces in the left, and right strings. The magnitude of the tension on the left string: T1 = N. N. The magnitude of the tension on the right string: T2 =

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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!