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13 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Energy |
The ability to do work |
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Motion |
The change of an objects position |
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Point |
A fixed, unmoving object or location |
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Distance |
Determined by measuring an objects position at different times |
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Speed |
Measured in length units per time units, but the units are not always the same |
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Distance divided by time |
Equals speed |
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Speed • time |
Equals distance |
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Velocity |
The distance that an object travels in a given amount of time in a certain direction |
Speed and directions |
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Acceleration |
A change in velocity during a period of time |
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When does acceleration occur? |
When an object speeds up and slows down or changes direction |
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Force |
A push or pull |
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Friction |
A force that keeps objects from moving against other objects |
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Momentum |
Determined by the mass and the velocity (speed and direction) of that object |
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