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pulleys and gears

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  • List three examples of things that use pulleys
    Crane, well, sailboat, blinds, elevator
  • List three examples of things that use gears.
    Car, clock, bicycle, motorcycle, hand crank pencil sharpener
  • A _______ pulley has a wheel that can move
    movable pulley
  • __________ is a type of gear that has teeth that meet a flat surface
    Spur gear
  • _________ is a type of gear that is in between two other gears
    Idler gear
  • _________ is a measure of rotational force
    Torque
  • What is a pulley?
    Simple machine wheel system with groove to make tasks easier
  • Gears are used to change what three things?
    Speed, direction, and torque
  • If the input gear is turning to the left, the next gear in the chain will turn to the ________
    right
  • ___________ is a type of gear that connects at an angle
    Bevel gear
  • What is a gear?
    A special toothed wheel where one toothed wheel turns the other toothed wheel
  • What is the input component of a bicycle?
    Peddles
  • _________ is a type of gear with teeth that are at a right angle to a wheel
    Crown Gear
  • What is the output component of a bicycle?
    Back wheel
  • which of the following uses a pulley?
    Water well
  • What makes a gear turn?
    Another gear or a force
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