295_Problem CHAPTER 9

295_Problem CHAPTER 9 - PROBLEM 9.194 For the 2-kg...

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PROBLEM 9.194 For the 2-kg connecting rod shown, it has been experimentally determined that the mass moments of inertia of the rod with respect to the center-line axes of the bearings AA and BB are, respectively, 2 78 gm AA I = and 2 41 gm BB I = . Knowing that 290 mm ab rr += , determine ( a ) the location of the centroidal axis GG ( b ) the radius of gyration with respect to axis GG SOLUTION (a) Have 2 290 mm AA GG a a b IIm r ′′ =+ + = 0.29 m = and 2 B BG G b I Im r Subtracting ( ) 22 B BA A ba I r r −= ( ) ( )( ) 2 41 78 g m
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