Simple Machines

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Across
  1. 2. a push or a pull on an object
  2. 4. the object being moved or lifted
  3. 5. a circular disc shaped objects that revolves on an axle
  4. 7. a simple machine in which a wheel is connected to a smaller axle
Down
  1. 1. a device that makes work easier by changing the direction or amount of force needed
  2. 3. a rod that passes through the center of a
  3. 6. a simple machine used to lift objects using a wheel and a rope
  4. 7. the application of forced to an object to move it over a distance