Motion and Force
| Description: | 7th grade Holt science |
| Category: | Physical Science |
| Created by: | amatzka on 2009-11-05 |
| Question | Answer |
| Distance divided by Time | Speed |
| Speed and direction of an object | Velocity |
| An object that appears to stay in place | Reference Point |
| Combination of all forces on an object | Net force |
| A push or pull | Force |
| Kinetic | moving |
| Static | not moving |
| when the net force on an object is not 0 N, causes motion | unbalanced force |
| a force that opposes motion between 2 surfaces | friction |
| a measure of the amount of matter in an object | mass |
| a decrease in velocity | deceleration |
| when the forces on an object produce a net force of 0 N, doesn't cause motion | balanced force |
| an objects change in position relative to a reference point | motion |
| a measure of gravitional force on an object, changes in space | weight |
| to speed up, slow down or change direction | acceleration |
| a force of attraction between objects due to their mass and distance apart | gravity |
| the unit for measuring force | Newton |
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