WORK and MACHINE

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Across
  1. 3. A support on which a lever rests while moving or lifting an object
  2. 5. Composed of one or two inclined planes
  3. 7. A machine made up of one ore more simple machines
  4. 8. An inclined plane that is spiral
  5. 10. A force of an object on a lever
  6. 11. Unit of measurement for work
Down
  1. 1. It is a grooved wheel with a rope or chain around it
  2. 2. A force applied to the end of a lever to lift a load
  3. 4. A slanted surface
  4. 5. Composed of a wheel with a rod joined at the wheel's center
  5. 6. A tool made up of one or two parts
  6. 9. To use force in order to move an object a certain distance