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Motion and Force
| Question | Answer |
|---|---|
| A place or object used for comparison to determine if an object is in motion. | Reference Point |
| The attractive force between objects; the force that moves objects downhill. | Gravity |
| The distance an object travels per unit of time. | Speed |
| The rate at which velocity changes. | Acceleration |
| A push or pull exerted on an object. | Force |
| A unit of measure that equals the force required to accelerate 1 kilogram of mass at 1 meter per second. | Newton (N) |
| The force that two surfaces exert on each other when they rub against each other. | Friction |
| Speed in a given direction. | Velocity |
| The steepness of a graph line; the ratio of the vertical change (the rise) to the horizontal change (the run). | Slope |
| The state in which one object’s distance from another is changing. | Motion |
| A measure of the force of gravity acting on an object. | Weight |
| The tendency of an object to resist a change in motion. | Inertia |
| The overall force on an object when all the individual forces acting on it are added together. | Net Force |