Simple Machines

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Across
  1. 4. A simple machine that is made of a wheel connected to a smaller cylindrical object
  2. 7. any device that helps people do work by changing the way work is done
  3. 8. a comparison of a machine's work output with the work input
Down
  1. 1. A simple machine that has a grooved wheel that holds a rope of cable
  2. 2. the number of times the machine multiples the input force
  3. 3. Plane a simple machine that is a straight, slanted surface
  4. 5. A bar that pivots on a fixed point
  5. 6. Fixed point