Chapter 4- work and energy vocabulary

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Across
  1. 3. A device that changes the force or increases the motion from work.
  2. 4. The ratio of output work to input work. (Often measured in a percentage)
  3. 7. a device that combines two or more simple machines
  4. 8. a machine that does work with only one movement of the machine
Down
  1. 1. the ratio of the output force to the input force
  2. 2. Anything around that you can put a boundary.
  3. 4. The ability to cause change
  4. 5. force applied through a distance
  5. 6. Energy due to motion