The ring of negligible size is subjected to a vertical force of 200 lb. Determine the longest length / of cord AC such that the tension acting in AC is 160 lb. Also, what is the force acting in cord AB? Hint: Use the equilibrium condition to determine the required angle for attachment, then determine / using trigonometry applied to AABC. 40° 2 ft 200 lb B

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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!