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10 Cards in this Set
- Front
- Back
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Motion |
An object's change in position relative to a reference point |
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Frame of Reference |
A system for specifying the precise location of objects in space and time |
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Displacement |
The change in position of an object |
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Speed |
The distance traveled divided by the time interval during which the motion occurred |
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Velocity |
The speed of an object in a particular direction
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Acceleration |
The rate at which velocity changes over time; an object accelerates if its speed, direction, or both change |
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Force |
An action exerted on a body in order to change the body's state of rest or motion; force has magnitude and direction |
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Friction |
A force that opposes motion between two surfaces that are in contact |
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Static friction |
The force that resists the initiation of sliding motion between two surfaces that are in contact and at rest |
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Kinetic Friction |
The force that opposes the movement of two surfaces that are in contact and are moving over each other |
