Across
- 1. input is between output and fulcrum
- 3. point which the lever rest
- 5. example of wheel and axel
- 8. machine that does work with one movement
- 9. example of first class lever
- 10. example of a wedge
- 13. simple machine with shaft attached to a wheel
- 16. example of a pulley
- 18. ratio of output to input force
- 21. changes direction of your force
- 22. amount of work done in one second
- 24. how much work is put into a machine is changed
- 27. grooved wheel with a rope and chain/cable
- 28. example of third class lever
- 30. occurs when force makes an object move
Down
- 2. multiple simple machines
- 4. makes work easier
- 6. example of a lever
- 7. output is between input and fulcrum
- 11. fulcrum is located between input and output
- 12. a sloping surface
- 14. inclined plane with one or two sloping sides
- 15. force applied by the machine
- 17. example of a pulley
- 19. have threads like screws
- 20. inclined plane wrapped in a spiral around a post
- 23. example of second class lever
- 25. force that’s applied to the machine
- 26. example of a wheel and axel
- 29. a bar the pivots or turns