Across
- 3. a wheel with a groove that holds a rope or cable
- 5. consists of a larger wheel attached to a smaller axle
- 6. an inclined plane wrapped around a cylinder or post
- 10. a sloping surface that makes it easier to move objects up or down
Down
- 1. simple machines have played a crucial role in shaping ____ civilization
- 2. a long bar that rests on a fulcrum
- 4. a set of toothed wheels that work together to change the direction of a force
- 7. a simple machine with a sharp edge that is used for splitting, cutting, or holding objects
- 8. a mechanical device that stores energy by undergoing elastic deformation
- 9. a projection on a rotating part in machinery