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Stack #4669511
| Term | Definition |
|---|---|
| simple machines | simple machines make work easier. |
| Mass | mass is the amount of matter that makes up an object. |
| Force | fore is push or pull |
| friction | friction is a force that causes objects in motion to speed up or slow down when two surfaces rub together |
| Motion | A motion is movement or a change in an objects position |
| position | position is the place where an object is located |
| gravity | gravity is a force that pulls things to earth |