Simple Machines

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Across
  1. 2. An application of the pulley in daily life.
  2. 8. A sloped surface that simplifies work.
  3. 11. Effort to lift load is _____ on an inclined plane.
  4. 12. In the centre of a class 3 lever.
  5. 15. Distance moved by load is _____ on an inclined plane.
  6. 16. How many classes of lever are there?
  7. 17. The class of lever where effort required is larger than the load.
Down
  1. 1. Device that makes work easier for people.
  2. 3. In the single fixed pulley, the effort required is ______ to that of the load.
  3. 4. Machines can change a small ______ into a large one.
  4. 5. The fulcrum is the fixed point about which a lever ______.
  5. 6. Machines can change the ______ of a force.
  6. 7. In the centre of a class 1 lever.
  7. 9. Example of an inclined plane.
  8. 10. A type of simple machine with a wheel.
  9. 13. Machines can reduce the ________ needed to move a load.
  10. 14. In the centre of a class 2 lever.