Across
- 7. output force is between fulcrum and input force
- 8. Inclined plane wrapped in a spiral around a cylindrical post
- 11. machine that does work with only one movement of the machine
- 12. one end of the rope is fixed and the wheel is free to move
Down
- 1. two or more simple machines that operate togther
- 2. Fulcrum is in the middle
- 3. input force i between fulcrum and output force
- 4. attached to something that doesn't move
- 5. sloping surface
- 6. system of pulleys consisting of fixed and moveable pulleys
- 9. what fulcrum does
- 10. bar that is free to pivot around fixed point