| A | B |
|---|
| force | push or pull |
| mass | the amount of matter in an object |
| motion | any change in poistion |
| friction | force that slows and eventually stops an object |
| acceleration | how quickly or slowly an object changes its velocity |
| Frame of Reference | stationary object or background used to determine motion |
| newtons | unit of force |
| balanced forces | when equal forces are exerted on an object |
| speed | the time it takes you to cover a certain distance |
| inertia | the resistance of an object to any change in its motion |
| velocity | the speed and direction of a moving object |
| weight | the measurement of the force of gravity on an object |
| net forces | the total of all forces acting on an object |
| unbalanced forces | when unequal forces are exerted on an object resulting in movement |
| uniform motion | motion at a constant velocity |
| gravity | the force that keeps all objects on Earth |
| braking distance | the distance a vehicle travels when the brakes are applied to when the vehicle stops |
| reaction time | time between drivers' realization of danger and engaging breaks |
| stopping distance | sum of reaction distance and braking distance |
| center of mass | the point at the center of an object's distribution of mass |
| Time interval | The time between two events. |
| Distance | The length measured between two points. |
| Error | Unavoidable inaccuracies that occur because no measurement can be made with perfect precision. |
| Deceleration | The process of slowing down or stopping. |
| Slope | The steepness of a line. |
| M/s^2 | Unit used for acceleration. |
| Force diagram | Shows an object as a simple square and is labeled only with the forces applied to it. |
