Simple Machines

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Across
  1. 5. Something that uses a rope and can change the direction of a force.
  2. 7. The ratio of the output of force to input force
  3. 8. Force applied through a distance.
Down
  1. 1. A ramp
  2. 2. shaft joined to the wheel to provide mechanical advantage
  3. 3. A machine that does work with only one movement of the machine.
  4. 4. The ratio of output work to input work
  5. 6. a rigid bar resting on a pivot, used to help move a heavy or firmly fixed load with one end when pressure is applied to the other.