785_Dynamics 11ed Manual

785_Dynamics 11ed Manual - Engineering Mechanics - Dynamics...

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Engineering Mechanics - Dynamics Chapter 21 ψ II z z H G cos θ () = H G I I z cos z = H G 6.09 10 3 × kg m 2 s = Problem 21-78 The satellite has mass M , and about axes passing through the mass center G the axial and transverse radii of gyration are k z and k t , respectively. If it is spinning at ω s when it is launched, determine its angular momentum. Precession occurs about the Z axis. Units Used: Mg 10 3 kg = Given: M 1.8 Mg = s 6 rad s = k z 0.8 m = 5 deg = k t 1.2 m = Solution:
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