Derivation of this formula is found in chapter 7 section 3. Also remember that circular motion involves acceleration and therefore there is a net force.

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Uniform circular motion: examples include

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Uniform Circular Motion

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Derivation of this formula is found in chapter 7 section 3. Also remember that circular motion involves acceleration and therefore there is a net force. Formulas F c = m a c

Rotation – the circular motion of an object around an internal axis. Example – a wheel turning. Revolution – the circular motion of an object around an external axis. Example – a mass being twirled on a string. Tangential velocity - The instantaneous linear velocity of a body moving in a circular path; its direction is tangential to the circular path at the point in question.

Thoughts If the velocity doubles, the acceleration…. If the radius doubles, the acceleration….. If the velocity doubles and the mass doubles, the acceleration….

tension is the pulling force exerted by a string, cable, chain, or similar solid object on another objectsolid

What causes this centripetal force? This force could be caused by A) Tension B) Gravity = mg C) Friction =  F n D) Static Electricity E) Magnetism

Uniform Circular Motion 1. Rounding a flat curve in a car 2. Orbiting the Earth in a satellite 3. Taking a banked track in a car 4. The tip of a minute hand on a clock 5. Ball at the end of a rope being swung.