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posted by  Galo on 6/20/2008 11:49:51 AM  |  status: Live  

Dynamics Problem-need help please

Course Textbook Chapter Problem
Classical Mechanics Vector Mechanics for Engineers: Dynamics (8th) by Johnston, Beer, Clausen 13 193
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The system shown is in equilibrium when φ=0. Knowing that initially φ=90deg.  and that block C is given a slight nudge when the system is in that position, determine the velocity of the block as it passes through the equilibrium position φ=0.  Neglect the mass of the rod.

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posted by Mr.K A T T A on 6/24/2008 8:05:15 AM  |  status: Live
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Galo's comment:
"Thank you. I never would have thought about finding the moment about A. "
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