Simple Machines

12345678910111213141516171819
Across
  1. 7. a device made up of two or more simple machines
  2. 8. power is measured in this unit
  3. 9. a rigid bar resting on a pivot
  4. 10. the use of force to move an object over a distance
  5. 12. a wheel with a groove for a rope or cable
  6. 14. the pivot point of a lever
  7. 15. Simple machines can ____ the input force many times.
  8. 18. A _____ is a pully that can be added to a cable without having to detach the cable.
  9. 19. an inclined plane wrapped around a cylinder
Down
  1. 1. a push or a pull on an object
  2. 2. an inclined plane that joins two different levels
  3. 3. the unit of work
  4. 4. a triangular tool
  5. 5. a flat surface that is tilted
  6. 6. the unit of force
  7. 11. wheel and ____
  8. 13. a device that can change the direction of a force
  9. 14. the force that opposes motion
  10. 16. a special kind of lever with the fulcrum at the middle
  11. 17. A baseball bat is a ______ class lever
  12. 18. a wheel barrow is an example of a ______ class lever