Work and Simple Machines Vocabulary

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Across
  1. 2. A simple machine that is an inclined plane wrapped around a central cylinder to form a spiral
  2. 4. a simple machine that consists of a bar that pivots at a fixed point called a fulcrum
  3. 6. A measure of power equal to one joule of work per second
  4. 9. the work done by a machine
  5. 11. A type of lever that is a wheel with a groove in its rim, which is used to change the direction or multiply a force exerted by a rope or cable.
  6. 13. A flat surface set at an angle or an incline with no moving parts that is able to lift objects by pushing or pulling the load.
  7. 14. the work done on a machine
  8. 15. A device that makes work easier by changing the size or direction of a force
Down
  1. 1. a simple machine that is an inclined plane that moves
  2. 3. is a comparison of a machine's work output with the work input
  3. 5. a combination of two or more simple machines that operate together
  4. 7. force x distance moved in direction of force
  5. 8. A unit of work equal to one newton-meter
  6. 9. a simple machine consisting of two circular objects of different sizes; the wheel is the larger of the two circular objects
  7. 10. the number of times that the machine increases an input force
  8. 12. the rate at which work is done