| A | B |
| Balanced | if something is not moving the forces are always... |
| Net force | is when the forces acting on an object are unbalanced. |
| Velocity | is speed in a particular direction. |
| Acceleration | is the rate of change in velocity when the velocity increases. |
| Inertia | the property of a body to resist and change in velocity. |
| Momentum | is the quantity of motion in a moving body. |
| Resistance | an opposition that shows something down or prevents movement. |
| Deceleration | is the rate of change in velocity when the velocity decreases. |
| Friction | is the force that opposes motion between two touching surfaces. |
| Speed | is the rate of motion of a body. |
| Motion | is the change in position of some object or substance is ... |
| Centripetal force | pulls the object inward. |
| Force | is a push or pull acting on something. |
| Gravity | is the basic force in the universe is .... |
| Centrifugal Force | pushes the object outward. |