*13-100. The 0.5-lb ball is guided along the vertical
Chapter 13, Problem 13-100(choose chapter or problem)
*13-100. The 0.5-lb ball is guided along the vertical circular path r = 2rc cos 0 using the arm OA. If the arm has an angular velocity 0 = 0.4 rad/s and an angular acceleration 6 = 0.8 rad/s2 at the instant 0 = 30. determine the force of the arm on the ball. Neglect friction and the size of the ball. Set r(. = 0.4ft.
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