Machines vocabulary

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Across
  1. 1. A point on which a lever pivots.
  2. 4. that consists of a wheel over which a wire passes.
  3. 5. consists of two circular objects of different sizes
  4. 7. Machine that is a straight, slanted surface, which facilitates the raising of loads.
  5. 8. measures the ratio of work output to work input in a machine .
Down
  1. 2. consisting of a bar that pivots at a fixed point called a fulcrum
  2. 3. A number that tells how many times a machine multiplies input force.
  3. 6. device helps do work by changing the magnitude