Across
- 2. simple machine that is a straight slanted plane
- 3. p=W/t
- 8. simple machine consisting a grooved wheel that holds a rope or cable
- 9. rate of which work is done
- 14. the work done by the machine
- 16. a simple machine consisting of 2 circular objects of different sizes
- 20. a simple machine that consists of a bar that pivots
- 21. work output/input x 100
Down
- 1. output force/input force
- 4. less work a machine has to do to overcome friction
- 5. a machine made of more that one simple machine
- 6. tells you how many times the machine multiplies force
- 7. When force causes an object to move in the direction of that force
- 10. w=Fxd
- 11. device that helps make work easier
- 12. work you do on a machine
- 13. Unit used to express work in Newton-meter
- 15. a double inclined plane that moves
- 17. incline plane that is wrapped in a spiral
- 18. a lever
- 19. unit used to express power in j/s