Simple Machines Vocabulary

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