At the instant 0 = 70°, the boy's center of mass G has a downward speed vg = 15 ft/s. Determine the rate of increase in his speed and the tension in each of the two supporting cords of the swing at this instant. The boy has a weight of 60 lb. Neglect his size and the mass of the seat and cords. 10 ft
At the instant 0 = 70°, the boy's center of mass G has a downward speed vg = 15 ft/s. Determine the rate of increase in his speed and the tension in each of the two supporting cords of the swing at this instant. The boy has a weight of 60 lb. Neglect his size and the mass of the seat and cords. 10 ft
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Transcribed Image Text:3. At the instant 0 = 70°, the boy's center of mass G has a downward speed vg = 15 ft/s.
Determine the rate of increase in his speed and the tension in each of the two supporting cords
of the swing at this instant. The boy has a weight of 60 lb. Neglect his size and the mass of the
seat and cords.
10 ft
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