Simple Machines

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Across
  1. 2. and Tackle- system of pulleys consisting of fixed and moveable pulleys
  2. 4. plane- sloping surface, such as a ramp that reduces the amount of force required to do work
  3. 5. grooved wheel with a rope, chain, or cable running along the groove
  4. 6. and Axle-Consists of an _ attached to center of a larger _ so that the _ and _ rotate together
  5. 8. Machine- Two or more simple machines that operate together
  6. 10. Bar that is free to pivot around a fixed point (fulcrum)
Down
  1. 1. Inclined plane wrapped in a sprial around a cylyndrical post
  2. 3. Machine- Machine that does work with only one movement of the machine
  3. 6. an inclined plane with 1 or 2 sloping sides
  4. 7. one end of the rope is fixed and the wheel is free to move
  5. 9. class lever- fulcrum is between the input force and output force