Work Machines and MA

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Across
  1. 2. The number of times that a machine increases an input force.
  2. 6. The force exerted on a machine
  3. 9. Product of distance and force
  4. 12. The fixed point a lever rotates around
  5. 13. The distance through which the input force acts in a machine
  6. 14. The mechanical advantage of a machine in the absence of friction.
  7. 15. The distance between the fulcrum and in a lever and input force
  8. 17. A simple machine that consists of a rope that fits into a groove in a wheel
  9. 19. A simple machine that consists of two rigidly attached disks or cylinder each one with a different radius
  10. 21. An inclined plane wrapped around a cylinder
Down
  1. 1. The mechanical advantage of a machine in the presence of friction.
  2. 3. The distance between the fulcrum and in a lever and output force
  3. 4. A combination of two or more simple machines that operate together.
  4. 5. The work done on a machine as the input force acts through the input distance
  5. 7. The work done by a machine as the output force acts through the output distance.
  6. 8. The force exerted by a machine
  7. 10. A slanted surface along which a force moves an object to a different elevation
  8. 11. The distance through which the output force acts in a machine
  9. 16. A device that changes a force
  10. 18. A V shaped object whose sides are two inclined planes sloped toward each other.
  11. 20. A rigid bar that is free to move around a fixed point