Simple machines

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Across
  1. 3. flat sloping surface over which objects can be pushed or pulled with less effort.
  2. 5. fixed point about which the rod moves.
Down
  1. 1. a triangular tool, often made of metal, wood, stone, or plastic
  2. 2. The force the machine produces as a result of the input force.
  3. 4. rod which connects 2 wheels