Simple Machines
Across
- 2. Simple machines increase this
- 5. Knives and axes are examples
- 7. Class of lever with fulcrum in middle
- 8. Object the simple machine is helping to move
- 9. Simple machine that uses a wheel and a rope
- 12. Rod that attaches to the center of the wheel
- 13. A _________ pulley system allows you to lift twice your weight
- 14. Simple machines reduce this
- 15. Class 3 lever used for digging holes
- 17. Class of lever with load in middle
- 18. Simple machines do not change this
- 19. Large round part that attaches to an axle
- 20. Inclined plane wrapped around a rod
Down
- 1. Also known as a ramp
- 3. A _________ pulley system raises objects the same distance you pull
- 4. More than one simple machine working together
- 5. Class 2 lever used for transporting materials
- 6. Pivot point of a lever
- 10. Simple machine that uses a rigid bar and a fulcrum
- 11. Class 1 lever on the playground
- 16. Class of lever with effort in middle