Work and Simple Machines Vocabulary

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Across
  1. 3. / A simple machine that consists of a bar that pivots at a fixed point called a fulcrum.
  2. 4. / Force x distance moved in direction of force.
  3. 7. machine / A combination of two or more simple machines that operate together.
  4. 10. Advantage / The number of times that the machine increases an input force.
  5. 12. / A simple machine that is an inclined plane that moves.
  6. 13. / The rate at which work is done.
  7. 15. / 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.
  8. 16. input / The work done on a machine.
Down
  1. 1. / A simple machine that is an inclined plane wrapped around a central cylinder to form a spiral.
  2. 2. efficiency / A comparison of a machine's work output with the work input.
  3. 5. / A unit of work equal to one newton-meter
  4. 6. plane / 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.
  5. 8. / A device that makes work easier by changing the size or direction of a force.
  6. 9. / A measure of power equal to one joule of work per second.
  7. 11. and Axle / A simple machine consisting of two circular objects of different sizes; the wheel is the larger of the two circular objects.
  8. 14. output / The work done by a machine.