Simple machines

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Across
  1. 4. A knife is this kind of machine.
  2. 5. This can be used to load vehicles on the truck.
  3. 8. a pivot(fixed point) around which a rod moves.
  4. 9. Putting this in machines helps in smooth running of them.
Down
  1. 1. a door knob is this kind of simple machine.
  2. 2. An example of class 1 lever.
  3. 3. We use this to fix two objects like in a table.
  4. 6. A flagpole has this simple machine to raise the flag.
  5. 7. Simple machines reduce our ________.