Across
- 2. inclined plane wrapped around a pole which holds things together
- 6. a machine consisting of two or more simple machines working together
- 8. a stiff bar that rest on a support called a fulcrum
Down
- 1. an object which cuts matierials apart
- 3. a wheel with a rode called an axle through its center lifts or moves louds
- 4. a slanting surface connecting a lower lever to a high level
- 5. the point on which a lever rest on
- 7. uses grooved wheels and a rope to raise, lower or move a loud \