Across
- 3. Units of power
- 6. the ratio of the work produced by the machine to the work put in.
- 8. work divided by time
- 10. a grooved wheel in a fixed location that keeps a rope or cable in place as it moves through it; a simple machine used to lift objects by changing the direction of the force
- 13. machines made up of two or more simple machines
Down
- 1. stored energy that is associated with the position of an object
- 2. the pivot point of a simple machine, the lever, where the bar balances or moves up or down
- 4. a device that changes the force used to do a given amount of work, and the distance over which the force is applied
- 5. any type of the following: lever, pulley, inclined plane, screw, wedge, wheel and axle
- 7. the ability to do work
- 9. enables moving objects to perform work on other objects
- 11. force times distance
- 12. Units of work