Work and Power

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Across
  1. 2. A device that helps you do work by changing the size or direction of a force
  2. 5. Work is measured in these.
  3. 6. Machines actually make more work by adding this.
  4. 8. These can reduce machine friction and increase efficiency.
  5. 9. Force is measured in these. The downward pull on 1 kilogram at the earth's surface is equal to 9.8 of these.
Down
  1. 1. The ratio of the force that comes out of a machine to the force put into the same machine.
  2. 3. This is equal to 1000 W and is commonly used to measure large amounts of power.
  3. 4. The amount of work done in a certain period of time
  4. 7. The name of the metric unit that measures 1 joule of work done each second
  5. 10. Applying force to make something move.