Simple Machines

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Across
  1. 3. the measure of how much work put into a machine is changed into useful output work by the machine
  2. 4. the rate at which work is done
  3. 5. force applied by the machine
  4. 7. inclined plane wrapped in a spiral around a cylindrical post
  5. 8. an inclined plane with one or two sloped sides
Down
  1. 1. a bar that is free to pivot around a fixed point (fulcrum)
  2. 2. force applied to the machine
  3. 4. a grooved wheel with a rope, chain or cable running along the groove
  4. 6. a device that makes doing work easier
  5. 8. transfer of energy that occurs when a force makes an object move