17-76. A 40-kg boy sits on top of the large wheel which
Chapter 18, Problem 17-76(choose chapter or problem)
17-76. A 40-kg boy sits on top of the large wheel which has a mass of 400 kg and a radius of gyration kG = 5.5 in. If the boy essentially starts from rest at 0 = 0, and the wheel begins to rotate freely, determine the angle at which the boy begins to slip. The coefficient of static friction between the wheel and the boy is /x = 0.5. Neglect the size of the boy in the calculation.
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