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posted by  Slow one on 7/21/2008 9:23:08 PM  |  status: Live  

please help!!14.9

Course Textbook Chapter Problem
Classical Mechanics Vector Mechanics for Engineers: Dynamics (8th) by Johnston, Beer, Clausen 14 N/A
Question Details:

A system of three identical 9-kg particles A,B, and C. The velocities of the particles are, respectively Va=Va j, Vb i, and Vc k. Knowing the angular momentum about O is Ho = -1.8 k determine

B) the angular momentum of the system about its mass center G

from O
ra = 0.9 k
rb = 0.6i + 0.6j + 0.9k
rc = 0.3i +1.2j
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posted by bradely(SME Mechan on 7/21/2008 11:42:00 PM  |  status: Live
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