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20 Cards in this Set
- Front
- Back
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The force of attraction between two objects |
Gravity |
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A force that opposes motion |
Friction
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Air ___ is a frictional force exerted on objects that are falling through the air |
Resistance |
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The tendency of an object to resist a change in motion (Newton's 1st Law) |
Inertia |
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stored energy |
Potential |
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released energy; energy of motion |
Kinetic |
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Newton's 3rd Law: For every action, there is an equal and opposite ___. |
Reaction |
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_____ forces cause an object's motion to change |
Unbalanced |
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_____ forces cause no change in an object's motion. |
Balanced |
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A ___ force is the overall force on an object after all the forces are put together. |
Net |
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A push or a pull |
Force |
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A measure of the pull of gravity on an object |
Weight |
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The amount of matter in an object |
Mass |
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A change in the speed or direction of an object |
Acceleration |
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The speed AND direction of an object |
Velocity |
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The distance an object travels in a certain amount of time (3 m/s; 35 mph) |
Speed |
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A change in position relative to a reference point |
Motion |
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A _____ point is a place or object used for comparison to see if something is moving |
Reference |
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A metric unit used to measure distance or length |
Meter |
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One-hundredth of a meter |
Centimeter |
