| A | B |
|---|
| force | To push or pull an object that causes movtion. |
| newton | The basic SI unit for force. |
| friction | When you rub two things togeather it makes________. |
| terminal velocity | The maximum velocity a falling object. |
| inertia | The tendacy of an object to keep moving or remain at rest until acted upon by an external force. |
| momentum | The prodect of mass and velocity |
| universal forces | The of the four forces common throughout the universe. |
| nuclear forces | The force within the nucleus of an atom that holds the part of the nucleus togeather. |
| speed | The distance traveled in a given time. |
| velocity | The speed and direction of movement |
| acceleration | A change in speed or direction |
| deceleration | A decrease in speed. |
| centripetal acceleration | Acceleration in a circle. |
| energy | The ability to do work. |
| potential energy | The type of energy a rock on the edge of a cliff has. |
| kinetic energy | The kind of enery that a falling rock has. |
