Across
- 2. grooved wheel with a rope
- 4. window blinds
- 5. Mechanical advantage formula
- 6. attached to something that doesn't move
- 7. inclined plane wrapped in a spiral
- 8. wheel and axle
- 10. 1st class
- 12. 3rd class
- 14. system of pulleys consisting of fixed and moveable pulleys
- 15. one end is fixed and the wheel is free to move
Down
- 1. a ramp; inclined plane
- 3. the measure of how much work put into a machine is changed into useful output work used by the machine
- 6. 2nd class
- 9. machine that works with only one movement
- 11. bar that pivots around fixed point
- 13. inclined plane with two or more sloping slides