|Jul16-12, 11:14 AM||#1|
why is rotation a free vector?
i understand why torque is a free vector (break it down into a couple, move it anywhere)
but why is angular velocity a free vector?
like, if a rigid body is rotating about point, P1, with angular velocity W1, then I know that W of points A and B are W1, wrt P1
but, aren't they also W1 about ANY point?
HOW IS THIS POSSIBLE?!
please explain, or clarify/add to my statements
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