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F&M #1-7 Vocabulary
| Question | Answer |
|---|---|
| Position (x) | An object's location at any given time. |
| Delta | Greek symbol: meaning "change in". |
| Distance (d) | How much an object's position changes. |
| Reference Point | A specific location used to monitor change of position. |
| Motion | The act of changing position. |
| Potential Energy | Energy that can be stored. |
| Speed (v) | How far an object travels in a given amount of time. |
| Leg | A segment of a complex motion or trip. |
| Displacement | The amount and DIRECTION of a change of position between an object's initial position and final position. |
| Velocity | Change of position divided by change in time. |
| Acceleration (a) | Change in velocity divided by a change in time. |
| Force | A push or pull that acts on an object. |
| Newton | Unit used to measure force, amount of force that will move 1kg of mass 1m |
| Net Force | The total (sum) of all the forces acting on an object. |
| Balanced Forces | Forces that cancel each other out. |
| Unbalanced Forces | Forces that do not cancel each other out. |
| Friction | A force that acts between two surfaces that come in contact with each other. |
| Sliding Friction | Friction between two solid surfaces. |
| Rolling Friction | Friction that occurs when one of the two surfaces in contact rolls. |
| Fluid Friction | Friction that occurs when one of the two surfaces in contact is a liquid and a gas. |
| Free Body Diagram | Diagram used to show the relative magnitude and direction of all forces acting upon an object in a given situation. |
| Gravity | the force due to gravitational attraction between masses. |
| Law of Universal Gravitation | All objects in the universe are attracted to each other. |
| Free fall | Occurs when gravity is the only force acting on a falling object. |
| Terminal Velocity | The acceleration during free fall. |
| Acceleration due to gravity | The acceleration during free fall. |