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Summary10 - a c = v 2/r Note both v and a have constant...

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Summary Lectures 10 Uniform Circular Motion Objects moving in a circle of radius r with constant speed v Time for 1 turn (Period): T Speed v = 2 π r/T velocity : constant magnitude direction perpendicular to radius = tangential to circle Centripetal Acceleration Directed toward the center of the circle
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Unformatted text preview: a c = v 2 /r Note: both v and a have constant magnitude but their direction changes Centripetal Force Directed toward the center of the circle F = F = mv 2 / F c = F net /r Note: F c is not a new force! Something else such as the tension in a string has to provide it....
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