13–61 Kinetics of a Particle: Force and Acceleration (Chapter 13: Hibbeler Dynamics) Benam Academy

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ENGINEERING MECHANICS - DYNAMICS, 14TH EDITION, R. C. HIBBELER
CHAPTER 13: Kinetics of a Particle: Force and Acceleration
PROBLEM: 13–61
13–61. At the instant u = 60, the boy’s center of mass G is momentarily at rest. Determine his speed and the tension in each of the two supporting cords of the swing when u = 90. The boy has a weight of 60 lb. Neglect his size and the mass of the seat and cords.
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