2053lecture10

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Unformatted text preview: Centripetal Force & Newton’s Second Law Newton’s Topics of Discussion Topics Centripetal Acceleration Centripetal Force Newton’s Second Law Centripetal Acceleration Centripetal The centripetal acceleration ac The centripetal experienced by a body moving at a constant tangential speed vT on a circular path of radius r is given by v ac = = rω r 2 T 2 where ω is the angular speed of the body. where Centripetal Force Centripetal The net force (resultant force) The experienced by a body of mass m moving at a constant tangential speed vT on a circular path of radius r is called the centripetal force Fc, and it centripetal and is given by is mv Fc = . r 2 T Newton’s Second Law Newton’s For uniform circular motion, Newton’s For Second Law is given in vector form by Second ∑ ∑ ∑ F = mac or in component form by Fx = macx Fy = macy ....
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