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Unit 6. Machines

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  • eje
    axle
  • it is the point where the lever turns.
    pivot point
  • the force of the object we need to move
    load
  • palanca
    lever
  • barra rigida
    rigid bar
  • What did Kirkpatrick invent?
    Pedal bicycle
  • Archimedes invented a catapult to ...
    fire large boulders at boats.
  • plano inclinado
    inclined plane
  • Archimedes invented a large ...
    claw- to lift boats out of the water.
  • carga
    load
  • polea
    pulley
  • the force we apply to the object.
    effort
  • limpiaparabrisas
    windscreen wiper
  • alicates
    pliers
  • rueda
    wheel
  • Archimedes used mirrors to...
    reflect sunlight and start a fire.
  • the longer the ramp the _____ inclined it is.
    less
  • it is a rigid bar that goes through the wheel to help it stay in place
    axle
  • A see saw is an example of a _______.
    lever
  • it is a simple machine with a wheel and axle and a rope, used to lift objects
    pulley
  • It is a rigid bar with a pivot point.
    lever
  • punto de giro
    pivot point
  • subijbaja 
    see-saw
  • cascanueces
    nutcracker
  • esfuerzo
    effort
  • levantar
    to lift (regular)
  • it is a simple machine consisting of a ramp used to lift or lower objects
    inclined plane
  • to make something move up
    to lift
  • tornillo
    screw
  • Archimedes invented machines, for example a giant screw to ...
    lift water.
  • cuerda
    rope
  • two inclined planes back to back, for example an axe
    wedge
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