Study

Simple and complex machines, Newton and Archimed ...

  •   0%
  •  0     0     0

      Back   Restart
  • What type of complex machine are the break handles?
    Break handles (levers)
  • Who said? All objects attract each other with a force that is directly proportional to the product of their masses and inversely proportional to their distance.
    Newton
  • It is a bent lever that transmits its movement to an axel
    Crank
  • What is it?
    Pulley
  • It is an inclined plane wrapped around a cylinder
    Screw
  • What is the name of the Archimede´s machine used to raise water?
    The screw of Archimedes
  • ____________ can help us lift objects more easily by changing the direction of the force
    Pulley
  • How did the law of universal gravitation start?
    With an apple
  • Which class lever is it?
    Class 1
  • _____________ have a rigid bar that moves on a pivot. It transmits a force which makes easier to lift a load
    Lever
  • How does rack and cog work together?
    When the cog turns, the rack moves in a straight line.
  • What are gears?
    Several cogs connected
  • Which class lever is it?
    Class 2
  • _____________ lets us move objects using less force without changing the direction
    Inclined plane
  • Which class lever is it?
    Class 3
  • Why did Archimedes designe the claw?
    To defend his native city, Syracuse from Roman attack
  • Which class of lever is it?
    Class 1
  • What is the name of the Archimede´s machine used to sink boats?
    The claw of Archimedes
  • Which class lever is it?
    Class 2
  • What is it?
    Wedge
  • What is it?
    Inclined plane
  • What type of complex machine is this object?
    Pedal (crank)
  • Which class lever is it?
    Class 3
  • How do cogs and chains work together?
    When we turn on cog it transmits movement to the other cog thanks to the chain. Both same direction
  • What type of complex machine is this object?
    Corkscrew (rack and cog)
  • It is two inclined planes join
    Wedge
  • How is a screw designed?
    It is an inclined plane wrapped around a cylinder
  • How is called the law that says... All objects attract each other with a force that is directly proportional to the product of their masses and inversely proportional to their distance.
    Law of universal gravitation
  • Which class lever is it?
    Class 1
    • Your experience on this site will be improved by allowing cookies.