Machines Homework Guide

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Across
  1. 2. is a machine consisting of two wheels of different sizes that rotate together
  2. 3. is the transfer of energy through motion
  3. 4. an inclined plane that turns around a center point
  4. 6. is a rope wrapped around a wheel
  5. 8. is a device that makes work easier with only one movement
Down
  1. 1. is a measure of how much of the work put into a machine is changed to useful work put out by a machine
  2. 3. is a inclined plane with 2 sloping sides instead of ine
  3. 5. Fe x De = Fr x Dr
  4. 7. a bar that is free to turn on a fixed point called a fulcrum
  5. 9. is similar to a fulcrum and therefore the wheel and axle is a subset to the lever