Six Simple Machines

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Across
  1. 4. this is a flat, slanted surface.
  2. 5. This is 2 inclined planes put together.
  3. 6. Can be thought of as an inclined plane wrapped around a cylinder.
Down
  1. 1. A grooved wheel with a rope wrapped around it.
  2. 2. An example of this is a door knob.
  3. 3. This is a rigid bar that is free to pivot, or rotate about a fixed point.