Work Force Unit 1 Lesson 9

12345678910111213
Across
  1. 3. Units of power
  2. 6. the ratio of the work produced by the machine to the work put in.
  3. 8. work divided by time
  4. 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
  5. 13. machines made up of two or more simple machines
Down
  1. 1. stored energy that is associated with the position of an object
  2. 2. the pivot point of a simple machine, the lever, where the bar balances or moves up or down
  3. 4. a device that changes the force used to do a given amount of work, and the distance over which the force is applied
  4. 5. any type of the following: lever, pulley, inclined plane, screw, wedge, wheel and axle
  5. 7. the ability to do work
  6. 9. enables moving objects to perform work on other objects
  7. 11. force times distance
  8. 12. Units of work