786_Dynamics 11ed Manual

786_Dynamics 11ed Manual - Engineering Mechanics - Dynamics...

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Engineering Mechanics - Dynamics Chapter 21 Given: M 4kg = θ 160 deg = r 125 mm = ω z 6 rad s = Solution: I 1 4 Mr 2 = I z 1 2 2 = Applying Eq.21 - 36 ψ ' z = II z z H G cos () = H G z z cos z = H G 0.1995 kg m 2 s = φ ' H G I = ' 12.8 rad s = Note that this is a case of retrograde precession since I z > I *Problem 21-80 The radius of gyration about an axis passing through the axis of symmetry of the space capsule of mass M is k z , and about any transverse axis passing through the center of mass
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This note was uploaded on 08/16/2011 for the course EGN 3321 taught by Professor Christianfeldt during the Spring '08 term at University of Central Florida.

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