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Answer» <P>Fora generalrotationalmotion , angular momentumL andangularvelocity`OMEGA` neednotbeparallel . Fora rotionalmotionaboutafixed axis, angularmomentumL andangularvelocity `oemga` arealwaysparallel . Fora gereraltranslationalmotion, momentumP and velocity V are always PARALLEL . Fora general transationalmotion, ACCELERATIONA andvelocityV arealwaysparallel. Solution :Fora generalrotational motion, whereaxis ofrotationis notAngularmomentumL andangular velocity`omega ` need notbeparallel, fora general translational motionmomentum p =mvhence, p and v are alwaysparallel .
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