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9th Grade Science

Chapter 2 Vocabulary

TermDefinition
Motion a change in an object's position relative to a reference point
Displacement distance and direction of an object's change in position from the starting point
Speed distance an object travels per unit of time
Momentum property of a moving object that equals its mass times its velocity
Acceleration rate of change of velocity; can be calculated by dividing the change in the velocity by the time it takes the change to occur
Centripetal acceleration acceleration of an object toward the center of a curved or circular path
Velocity the speed and direction of a moving object
Created by: LeMay1
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