Newton's Laws: Slingshot: Consider a 100 g mass m suspended from two bungee cords (cord 1 and cord 2) as depicted in the figure. A tension force T2 is applied to a third cord pulling the mass down and stretching the bungee cords which each exert a tension T1. The set-up is oriented vertically, such that the mass is also experiencing the force of gravity in - ĵ direction. T2 has a magnitude of 10 N. a. Construct a free body diagram for m b. Ife = 35 deg, what is T1, the magnitude of the tension in either bungee cord at rest/before firing? c. At the instant the mass is released (T2 goes to zero) what is bungee cord 1 bungee e e cord 2 the acceleration of the mass? d. Suppose that instead of T2 going to zero, cord 2 breaks. Find the net force (magnitude and direction) on m in this case assuming Ti from cord 1 and T2 are unchanged. cord 3
Newton's Laws: Slingshot: Consider a 100 g mass m suspended from two bungee cords (cord 1 and cord 2) as depicted in the figure. A tension force T2 is applied to a third cord pulling the mass down and stretching the bungee cords which each exert a tension T1. The set-up is oriented vertically, such that the mass is also experiencing the force of gravity in - ĵ direction. T2 has a magnitude of 10 N. a. Construct a free body diagram for m b. Ife = 35 deg, what is T1, the magnitude of the tension in either bungee cord at rest/before firing? c. At the instant the mass is released (T2 goes to zero) what is bungee cord 1 bungee e e cord 2 the acceleration of the mass? d. Suppose that instead of T2 going to zero, cord 2 breaks. Find the net force (magnitude and direction) on m in this case assuming Ti from cord 1 and T2 are unchanged. cord 3
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