Simple machines

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Across
  1. 3. An example of a lever
  2. 5. The weight of an object
  3. 7. A simple machine used to achieve mechanical advantage
  4. 8. The amount of force required to lift or move an object
  5. 9. The place where the rod pivots (or rotates)
  6. 10. A pin or shaft on which a mechanical part turns
Down
  1. 1. A simple machine comprised of a wheel on a fixed axle with a groove to guide a rope or cable
  2. 2. Pulleys ________ the amount of effort needed to lift objects
  3. 4. Archimedes said 'Give me a lever long enough and I shall move the _______'
  4. 6. Pulleys can change force needed, speed and the __________