Angular motion

  • Whirlyball
    problem

    Whirlyball

    Age
    16 to 18
    Challenge level
    filled star filled star empty star
    Whirl a conker around in a horizontal circle on a piece of string. What is the smallest angular speed with which it can whirl?
  • Turning the Place Over
    page

    Turning the place over

    As part of Liverpool08 European Capital of Culture there were a huge number of events and displays. One of the art installations was called "Turning the Place Over". Can you find our how it works?
  • Eclipses of the Sun
    article

    Eclipses of the sun

    Mathematics has allowed us now to measure lots of things about eclipses and so calculate exactly when they will happen, where they can be seen from, and what they will look like.
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