SIMPLE MACHINES

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Across
  1. 3. a rigid bar that can rotate freely about a point.
  2. 5. The ratio of the load to the effort.
  3. 6. The ability to do work
  4. 7. The fixed point about which a lever can rotate.
  5. 8. a nail with grooves cut spirally into it.
Down
  1. 1. Changes the direction of the applied force.
  2. 2. Steering wheel is an example of
  3. 4. two inclined planes taper to form a sharp edge.
  4. 6. The force applied on a machine to do work