Physics Test: Practice Questions On Moments, Levers And Gears!

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Physics Test: Practice Questions On Moments, Levers And Gears! - Quiz

In this "Physics Test: Practice Questions On Moments, Levers, And Gears!" on the scientific topic of physics, we'll be taking a look at the moment of force – which is defined as the measure of its tendency to cause a body to rotate about a specific point of axis. One example you might find easiest to wrap your head around is the see-saw. Think of what causes the see-saw to balance and what tilts it to either side. What do you know about these moments? Take this quiz and find out.


Questions and Answers
  • 1. 
    For a see-saw to balance, the anti-clockwise moment must equal the clockwise moment. A moment is another word for a turning effect. A see-saw is like a lever, turning around a pivot, also called a fulcrum. A lever is a simple machine which amplifies the effort force.
    • A. 

      True

    • B. 

      False

  • 2. 
    Another name for a pivot is a
    • A. 

      Falcon

    • B. 

      Tool

    • C. 

      Fulcrum

    • D. 

      None of these

  • 3. 
    For a see-saw to balance, the anti-clockwise  moment must equal the ________________
    • A. 

      Clockwise Moment

    • B. 

      Weight

    • C. 

      Mass

    • D. 

      None

  • 4. 
    Moment is the
    • A. 

      Turning effect of a force

    • B. 

      Airflow

    • C. 

      Mass

    • D. 

      Weight

  • 5. 
    What's the unit of the moment?
    • A. 

      Km

    • B. 

      Nk

    • C. 

      Kn

    • D. 

      Nm

  • 6. 
    Newtons (N) is the unit of force.
    • A. 

      True

    • B. 

      False

  • 7. 
    Newtons (K) is the unit of weight.
    • A. 

      True

    • B. 

      False

  • 8. 
    A SEE-SAW. On one side, there is a person with a weight of 600N. He is sitting 3m away from the pivot. On the other side is a person weighing 450N. How far away must (s)he sit?
    • A. 

      2m

    • B. 

      4m

    • C. 

      6m

    • D. 

      3.5m

    • E. 

      3m

  • 9. 
    The force applied to a lever is called
    • A. 

      Force

    • B. 

      Mass

    • C. 

      Effort

    • D. 

      None

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