Simple and Compound Machines

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Across
  1. 1. a compound machine made of levers and wedges, a real cut-up
  2. 5. what runs through a wheel allowing it to spin
  3. 7. a mechanical device that changes the direction or magnitude of a force
  4. 8. a wedge used for splitting wood
  5. 9. a triangular object used to separate another object; also used to describe a salad or shoe
  6. 10. a simple machine that wraps an inclined plane around an axle
  7. 12. a simple machine that balances an elevator cabin and its counterweight using a steel cable
  8. 13. a simple machine that uses more distance and less force than vertical lifting to move an object upwards
Down
  1. 2. an inclined plane used for moving heavy objects
  2. 3. a tool made of lever and wedge for removing nails
  3. 4. a system of two or more pulleys with a rope or cable threaded between them, usually used to lift heavy loads.
  4. 6. a compound machine that combines levers with wheel and axle to shut the door
  5. 9. a simple machine that allows a frictional force to be the same as the direction of motion
  6. 11. describes a machine that incorporates more than one simple machine
  7. 14. a simple machine that includes a beam and fulcrum