Simple Machines Puzzle Clues

3. The point about which 5 down pivots.

4. A ramp.

6. This simple machine lets cars and bicycles roll.

Down

1. A wheel over which a rope or belt is passed.

2. A spiral version of 4 across.

5. There are three basic types of this simple machine.

6. A modified version of 4 across, it can be found in the blade of a knife or an axe.