define angular velocity . show that the centripetal force on a particle undergoing uniform circular motion is -( minus) mw^ 2 r vector.
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It means that it is accelerating and it is inward acceleration. This inward acceleration is called centripetal acceleration. a(c)= V^2/r where V is the magnitude of velocity and r is the radius of the circular path of motion. ... centripetal force, therefore is equal to m into a(c) ----- mrω(^2
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