Across
- 3. a bar resting on a fulcrum
- 5. a machine that consists of two or more simple machines
- 6. a wheel that attached to a cylindrical object also know as an axle
- 7. any material that has one thick end and tapering to a thin edge
Down
- 1. a point on which a lever rests
- 2. a plane inclined at an angle
- 4. a sharp pointed metal pin with a raised thread running around it