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Motion

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  • Which of these demonstrates unstable equilibrium?
    C
  • A _________ object is unlikely to topple over.
    Stable
  • Name the three types of equilibrium
    stable, unstable and neutral
  • Which direction will B turn?
    B will turn in an anticlockwise direction.
  • If a 10 N load is placed 5m from the fulcrum, what is the size of the moment produced??
    50Nm
  • Which of these demonstrates neutral equilibrium?
    B
  • Which direction will A turn?
    A will turn clockwise
  • Which of these demonstrate stable equilibrium?
    A
  • What happens when the anticlockwise moment is larger than the clockwise moment?
    An anticlockwise moment results
  • What does the distance multiplier do?
    it moves the load through a greater distance than the effort moves.
  • Which is balanced?
    A and C
  • What does a force multiplier do?
    it uses a small (effort) force to create a larger force (to move a large load).
  • The point at which the weight of an object seems to be concentrated is the___________.
    center of gravity
  • How is moment calculated?
    Force x perpendicular distance
  • What happens when the clockwise moment is equal to the anticlockwise moment?
    Nothing. the system is balanced and there is no turning effect.
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