Across
- 2. consists of 2 or more simple machines
- 6. axle used to make cars roll
- 7. makes a tough job easier
Down
- 1. a machine consisting of a beam or rigid rod pivoted at a fulcrum
- 3. a sloped surface
- 4. used to lift heavy objects
- 5. a piece of wood or metal used to separate objects
- 7. an inclined plane wrapped around a cylinder