Across
- 3. A round object with slats that spiral upward
- 6. a machine that does worke with only one movment
- 8. 2nd class lever
- 9. A bar that is fixed at a point (fulcrum)
- 10. grooved wheel with a rope running along the groove
Down
- 1. Consists of an axle attached to the center of a wheel and the move together
- 2. A flat object that slopes upward increasing the distance and decreasing the force
- 4. An object that slopes to a point making it easier to split things
- 5. 3rd class lever
- 7. 1st Class lever