Across
- 3. A simple machine that combines a wheel with a central rod
- 4. The point on which a lever rests or pivots
- 6. A wheel with a rope wrapped around it used to lift heavy objects
- 8. Plane A simple machine that is a flat surface with one end higher than the other.
- 9. A type of inclined plane used to split objects apart
Down
- 1. A flat surface that helps objects move from one height to another
- 2. A force that opposes motion between two surfaces
- 5. A simple machine that consists of a bar that pivots around a fixed point
- 7. A simple machine that is a spiral wrapped around a cylinder