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Across
  1. 3. Pivot.
  2. 5. A rigid bar that turns freely about a pivot.
  3. 7. Pulley system used by mechanics is a block and ____.
  4. 10. Mechanical advantage of a pulley is the number of ____ supporting the load.
  5. 12. Weight to be moved by a simple machine.
  6. 13. A wheelbarrow is an example of a ____ order lever.
  7. 15. Type of simple machine is a wheel and ____.
  8. 16. A lever used by carpenters.
Down
  1. 1. Simple machine made with a wheel on an axle and a rope.
  2. 2. Mechanical advantage of a wheel and axle is ____ diameter divided by axle diameter.
  3. 3. Scissors are an example of a ____ order lever.
  4. 4. An example of a ____ order lever is a fishing rod.
  5. 6. A type of simple machine is an inclined ____.
  6. 8. Effectiveness of a simple machine is its mechanical ____.
  7. 9. Example of wheel and axle is a ____ knob.
  8. 11. Example of lever in a playground.
  9. 14. Example of an inclined plane.