| A | B |
|---|
| gravity | The natural force that attracts any two objects with mass toward each other. |
| force | A push or a pull on an object. |
| friction | A force that resists motion between two bodies in contact. |
| mass | The amount of matter in an object or substance. |
| speed | The rate of motion. |
| 1st law of motion | The law of inertia |
| 2nd law of motion | F=MA |
| 3rd law of motion | Action/Reaction |
| formula for speed | distance/time |
| distance | The amount of space you traveled over a period of time. |
| weight | The measure of the force of gravity on an object. |
| motion | The movement of something in a certain direction. |
