212_Dynamics 11ed Manual

212_Dynamics 11ed Manual - Engineering Mechanics - Dynamics...

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Engineering Mechanics - Dynamics Chapter 13 the size of the boy. Given: M 40 kg = r 0 1.5 m = b 0.7 rad s = c 0.5 m s = t 1 2s = g 9.81 m s 2 = Solution: rr 0 = r' 0 m s = r'' 0 m s 2 = θ bt = 'b = '' 0 rad s 2 = zc t = z' c = z'' 0 m s 2 = F r M r'' r ' 2 () = F r 29.4 N = F Mr '' 2 r' ' + = F 0 = F z Mg M z'' = F z M g z'' + = F z 392 N = Problem 13-89 The girl has a mass M . She is seated on the horse of the merry-go-round which undergoes constant rotational motion
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