Machines

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Across
  1. 2. a number that tells how many times a machine multiplies input force.
  2. 6. a simple machine consisting of to circular objects
  3. 7. is the fixed pivot point of a lever.
  4. 8. a simple machine, a slanted surface
Down
  1. 1. a device that helps do work by changing the magnitude and/or direction of an applied force
  2. 3. a quantity, usually expressed as a percentage, that measures the ratio of work output to work input in machines
  3. 4. a simple machine that consist of a wheel over which a rope passes through.
  4. 5. a simple machine consisting of a bar that rotates at a fixed point
  5. 6. The transfer of energy that causes a object to move.