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Alice : Oh dear, everything is *so* confusing.
Caterpillar : It is not.
Alice : Well, it is to me.
Caterpillar : Why?
Alice : Well, I can't remember things like I used to, and...
Caterpillar : Recite.
- "Alice in Wonderland" by Lewis Carroll
"I shall now recall to mind that the motion of the heavenly bodies is circular, since the motion appropriate to a sphere is rotation in a circle."
- Nicolaus Copernicus
Motion along a curved path. Direction of instantaneous velocity. Tangential and normal components of acceleration.
Circular motion with constant speed. Centripetal acceleration.
Centripetal force. Different natures of centripetal forces.
A car rounding a curve, static friction as a force that supplies centripetal acceleration.
Banked roads (tracks).
Analyzing motion on a roller coaster. Normal force at the top of a roller coaster. Critical speed.
Uniform rotation. Period and frequency of rotation. What is RPM?
Presentation: On Centripetal Acceleration and Centripetal Force
Presentation: On Centripetal Acceleration and Centripetal Force
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