Machines

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Across
  1. 2. a support around which a lever can rotate or pivot
  2. 5. a rigid bar that can rotate freely around a fulcrum
  3. 7. toothed wheels of different diameters linked together to change the speed or direction moved
  4. 9. a force applied to one part of a lever to move a load at another part
  5. 11. the perpendicular distance from the fulcrum to the load force
Down
  1. 1. a ramp that increases the load that can be raised by an effort force
  2. 3. the force exerted by the load on a lever
  3. 4. a double inclined plane that increases the applied or effort force
  4. 6. the perpendicular distance from the fulcrum to the effort force
  5. 8. an inclined plane wrapped around a central shaft that increases the applied or effort force
  6. 10. a wheel with a grooved rim in which a rope or cable can run