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Unformatted text preview: α AB = +2 rad/sec (CCW) as shown in the figure above. • Determine numerical values for the angular velocities ω BC and ω CD • Determine numerical values for the linear velocities v B and v C • Write the equations necessary to find angular acceleration α BC and α CD , substitute in all known values, but do not solve the equations . AEM 264002 Test#3  Answers Spring 2005 1. 2 2 2 , 00315 . 0427 . 7 . 42 s ft lb m kg cm kg I hole ZZ ⋅ ⋅ = ⋅ = ⋅ = 2. ( ) 2 sec 557 . m j a A r r + = , ( ) 2 sec 334 . m j a B r r − = , ( ) ) ( sec 52 . 5 2 CCW rad k r + = α 3. ( ) ) ( sec 3 CCW rad k BC r + = ω , ( ) ) ( sec 5 . 1 CCW rad k CD r + = , ( ) sec 12 in j i v B r r r − = , ( ) sec 9 in j i v C r r r + − = j s in i i j j s in i s in a CD BC BC C r r r r r r r 2 2 2 5 . 13 6 3 4 15 60 − − = − + − − = BC CD BC j s in j s in i 4 5 . 1 : 6 3 60 : 2 2 = − = − r r r...
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 Spring '08
 ParkerMcInerny
 Dynamics, Angular Momentum, Mass, Moment Of Inertia, Angular Acceleration, Physical quantities

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