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AP Physics 1
2.9 Circular Motion
2.7 Kinetic and Static Friction
BeginnerMCQConceptual18.4k
Top view of an automobile traveling at constant speed around a circular curve.
Top view of an automobile traveling at constant speed around a circular curve.
An automobile travels at a constant speed \(v\) along a flat, unbanked horizontal curve of radius \(r\) without slipping or skidding. Which of the following correctly identifies the horizontal force that provides the automobile's centripetal acceleration and provides the valid justification?

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