Across
- 2. The center of a turn
- 3. When you push on one side of it, the other side goes up
- 5. A tool that makes work easier
- 7. The turning effect caused by a force
Down
- 1. A push or a pull
- 2. If you pull down on a string, the other side goes up
- 4. Pulling something up a ____ is easier than lifting it up
- 6. An axe is an example of this simple machine