Across
- 1. changes amount, direction, or distance that a force is exerted
- 4. most basic device for making work easier
- 8. force exerted on an object that causes it to move
- 9. an inclined plane that moves
- 11. force exerted on an object by a machine
- 13. number of times a machine increases a force exerted on it
- 15. inclined plane wrapped around a central cylinder
- 16. unit of power; one joule in one second
- 17. rate at which one form of energy is transformed into another
Down
- 2. device that combines two or more simple machines
- 3. rigid bar that pivots about a fixed point
- 5. the force exerted on a machine
- 6. unit o1 work; 1 Newton x 1 meter
- 7. a grooved wheel and a rope or cable wrapped around it
- 9. two attached circular or cylindrical objects that rotate about a common axis, each with a different radius
- 10. fixed point a rigid bar pivots about
- 12. flat sloped surface [a ramp]
- 14. percentage of input work that is converted to output work