Across
- 3. an example of a third class lever
- 6. a push or pull
- 7. an inclined plane wrapped around a cylinder, forming the path and pitch
- 11. two or more simple machines working together to make the work easier
- 14. A simple machine makes what easier?
- 16. a simple machine that lifts or moves an item by rolling
- 18. a flat surface set at an angle which is used to push or pull the load
- 20. a device that allows work to be performed with less effort
- 21. a bar used to exert a pressure or sustain a weight by pivoting on its fulcrum
Down
- 1. an example of a second class lever
- 2. example of a lever
- 4. an example of a first class lever
- 5. the ratio of the force produced by a machine to the force applied to the machine
- 6. a type of lever where the fulcrum is in the middle and the effort is applied on one end and the load is on the other end
- 8. example of an inclined plane
- 9. example of a screw
- 10. used for splitting or tightening by being driven into something
- 12. a grooved wheel around which a rope, belt, or chain passes
- 13. example of a pulley
- 15. example of a wedge
- 17. example of a wheel and axle
- 19. the point at which a lever turns or is supported