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10 terms

9th Grade Physical Science Chapter 10

Mr. Mack's Physical Science Chapter 11 Vocabulary
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Kinetic Friction
The force that opposes the movement of two surfaces that are in contact and are sliding over each other.
Speed
the distance an object travels per unit of time
Velocity
speed in a given direction. Also known as displacement divided by time.
Force
The cause for accleration (the cause for a change in velocity).
Static Friction
the force that resists the initiation of movement between two surfaces that are in contact and at rest.
Friction
the force that opposes the motion.
Motion
the act of changing location from one place to another in comparison to a reference point/frame.
Acceleration
The rate at which velocity changes.
Displacement
the overall change in position of an object from in a straight line from starting point to ending point.
Distance
the length of a path between two points.