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Mechanisms (Rotary motion mechanisms (Friction drives (D and D, are the…

- - - - They are expressed in units of legth: usually milimeters
    - - This velocities are expressed in revolutions per minute (rpm)
  - - - Multiplying system
      - Constant system
      - Reducing system
- - - - rotary to linear
      - rotary to reciprocating
    - - linear
      - rotary
- - - - F is the force or effort applied at one end of the bar
      - R is the resistance or load which acts at the other end of the bar
      - d is the distance from F to the fulcrum
      - r is the distance from R to the fulcrum
    - - Class 2
      - Class 3
      - Class 1
- - - - Nut and bold.
      - Rack and pinion system.
      - Winch and crank handle.
    - - Crankshaft.
      - Cam.
      - Crank-link-slider.
      - Eccentric cam.