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# Physics Childs 1

### Vocabulary

TermDefinition
ACCELERATION A vector quantity that represents the time-rate of change in velocity of an object. a= ∆v/t
ACCELERATION DUE TO GRAVITY Symbol g. Same for all objects regardless of their mass
THE MAGNITUDE OF g NEAR THE SURFACE OF THE EARTH 9.8 M/s2
CENTRIPETAL ACCELERATION The acceleration experienced by an object traveling in uniform circular motion
CENTRIPETAL ACCELERATION IS DIRECTED toward the center of its curved path
CENTRIPETAL ACCELERATION FORMULA αc= v2/r
CENTRIPETAL FORCE The force that causes centripetal acceleration.
CENTRIPETAL FORCE FORMULA Fc = mac = mv2/r
THE CENTRIPETAL FORCE IS THE NET FORCE ACTING ON THE OBJECT This maintains its constant speed because there are no tangential forces acting up it.
CENTRIPETAL FORCE IS DIRECTED TOWARD the center of the path of an object undergoing uniform circular motion.
Created by: sjjwhite

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