Work,Power and Simple Machines

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Across
  1. 2. Something used to make life/work easier
  2. 6. a simple machine that is a straight, slanted surface
  3. 8. A double inclined plane that moves
  4. 9. The unit used for work
  5. 10. The unit used for power
  6. 12. A simple machine consisting of two circular objects of different sizes
Down
  1. 1. The machine at which a bar pivots at a fixed point
  2. 2. The number of times the machine multiplies force
  3. 3. The fixed point on a lever
  4. 4. The combination of all forces acting on an object
  5. 5. A spiraled inclined plane
  6. 7. The rate at which energy is transferred
  7. 11. Simple machine that has a grooved wheel that holds a rope or a cable
  8. 12. Output The work done by a machine