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CIRCULAR MOTION
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Gravity
Key Concepts:
Terms in this set (11)
Tangential velocity
The speed of an object at a point as it moves around the circumference of a circle.
Centripetal acceleration
Acceleration of an object toward the center of a curved or circular path.
Centripetal force
A net force that is directed toward the center of a curved or circular path. It generates the Centripetal Acceleration.
Centripetal Acceleration & Tangential velocity are
Perpendicular to each other
Period
The time to go around one full revolution.
Seconds
Units for period
Centripetal force & Centripetal acceleration are
Directed towards the center of the circle
Centripetal
This word means "center seeking"
Radius
The distance from the center of a circle to any point on the circle
Gravitational Force
Force holds the universe together, keeps orbits going, and keeps you grounded down on Earth so you don't float away.
circumference
The distance around a circle: 2πR
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