| Term | Definition |
|---|---|
| Force | A push or pull |
| Balanced Force | All forces acting on an object result in the object staying at rest or moving at a constant speed in the same direction. |
| Unbalanced Force | When all forces acting on an object result in a change of motion. SO- if it's moving it changes speed or direction, If it's at rest, it brgins to move. |
| Unbalanced Force | Two people are arm wrestling and one wins. This is an example of what kind of force? |
| Balanced Force | The tortoise walked a steady pace in the race. This is an example of what kind of force? |
| Simple machines | A device that makes work easier to do by changing the amount, direction, or distance of the force. |
| load | The object to be moved by the simple machine. |
| Effort force | The force exerted (used) by the user of the simple machine. |
| force on the load | The force exerted (used) by the |
| mass | The measure of the amount of matter (stuff) in an object. |
| weight | The measure of the amount of gravity pulling on an object. |
| Point of reference | A background of non-moving object in the background used in describing the motion of another object. |
