524_Dynamics 11ed Manual

524_Dynamics 11ed Manual - Engineering Mechanics Dynamics...

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Engineering Mechanics - Dynamics Chapter 17 2 N A N B + () m t m s + g m s a = 2 N A bc + m s ge + m t gc + m s ae = a N B Find aN B , = N A N B 600 569.529 N = a 3.96 m s 2 = Check: Since N B 570 N = < F max 600 N = then our assumption is good. Problem 17-31 The door has weight W and center of gravity at G . Determine how far the door moves in time t starting from rest, if a man pushes on it at C with a horizontal force
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