| A | B |
|---|
| acceleration | the rate of change in the speed of an object |
| graphic model | models used in math, shows relationship between variables, usually a line graph |
| conceptual model | describes ideas - things that are hard to put into a graph |
| physical model | something you can touch nd measure. Made to scale |
| slope of a graph | ratio... rise over run (always on a line graph) |
| position | a point of space from where an object started |
| distance | length of space between two points |
| speed | speed in one direction |
| velocity | distance from one place to another (must know speed and direction) |
| acceleration | the rate in which speed changes |
| force | push or pull; the ability to change motion |
| Newton | measurment for weight and force (n) |
| gravity | the force between two objects, depends on mass, more mass, more force |
| weight | force of gravity, depends on mass - the greater the mass the greater the weight |
| free fall | acceleration of a falling object under the influence of the earth's gravitational pull |
| inertia | resistence of an object from changing motion. It is a property |
| mass | amount of matter in an object |
| friction | any force that slows an object down, the more friction the more it slows down |
| net force | amount of force acting on an object |
| equilibrium | forces that are equal. An object with equal will stay at rest |
| momentum | mass x speed or velocity (if speed o mass increases momentum increases |
