Mechanism Crossword Puzzle

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Across
  1. 4. Output direction of gear if driver gear is anti-clockwise direction
  2. 5. _____ pulley consists of both fixed and movable pulleys.
  3. 8. How many types of lever system are there?
  4. 11. The Ratchet & Pawl system allows only to turn in one _____.
Down
  1. 1. It is in the middle of the 1st class lever system
  2. 2. It is in the middle of the 2nd class lever system
  3. 3. The output motion of a moving car.
  4. 6. The Mechanical advantage of a 1st and 2nd class lever system is more than _____.
  5. 7. The gear ratio of a system is a ratio of _____ gears over the driver gear.
  6. 9. The turning motion of a moving fan
  7. 10. The type of gear that enable the axis of rotation to be converted through 90ยบ
  8. 12. The type of gear that ensure driver and driven gears turn in the same direction