pulleys and gears

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pulleys and gears

  1. 1. Pulleys and Gears
  2. 2. Pulleys
  3. 3. Crossed belt will turn it in oppositedirections
  4. 4. A single pulley A single pulley is used to reverse the direction of the effort
  5. 5. Gears
  6. 6. Gear train
  7. 7. Idler gear• the idler gear change the direction of rotation Idler gear
  8. 8. Gears in can opener
  9. 9. Gears in bikes
  10. 10. Special gears are used to• 1- change the angle of motion• 2-change the type of motion
  11. 11. 1- change the angle of motion
  12. 12. Bevel gears
  13. 13. Hand drill
  14. 14. Worm and worm-wheel
  15. 15. Gears in guitar tuner
  16. 16. 2-Change the type of motion
  17. 17. Rack and pinion
  18. 18. Thank you

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