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