Simple Machines

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Across
  1. 2. pulley, pulleys that are secured to a single spot
  2. 4. inclined plane wrapped in a spiral around a cylinder post
  3. 6. class, fulcrum is between the input force and output force
  4. 8. a device that makes doing work easier machines make work easier by decreasing the force you apply by increasing the distance it is applied.
  5. 9. grooved wheel with a rope, chain or cable running alone groove
  6. 10. plane, sloping surface such as a ramp that reduces the amount of force required to do work
  7. 12. class, output force is between the fulcrum and output force
  8. 13. and tackle, system of pulleys consisting of fixed and movable pulleys
  9. 14. class, input force between fulcrum and output force
Down
  1. 1. bar that is free to pivot around a fixed point
  2. 3. machine, machine that does work with one movement of the machine.
  3. 5. and axle, consist of an axle attached to center of a larger wheel so that the wheel and axle rotate together
  4. 7. wedge, an inclined plane with one or two sloping sides
  5. 8. advantage, the ratio of the output force to the input force
  6. 11. machine, 2 or more simple machines that operate together