Rigid bodies

  • Wobbler
    problem
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    Wobbler

    Age
    16 to 18
    Challenge level
    A cone is glued to a hemisphere. When you place it on a table in what position does it come to rest?
  • More bridge building
    problem
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    More Bridge Building

    Age
    16 to 18
    Challenge level
    Which parts of these framework bridges are in tension and which parts are in compression?
  • Lunar Leaper
    problem
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    Lunar Leaper

    Age
    16 to 18
    Challenge level

    Gravity on the Moon is about 1/6th that on the Earth. A pole-vaulter 2 metres tall can clear a 5 metres pole on the Earth. How high a pole could he clear on the Moon?

  • Bridge builder
    problem
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    Bridge Builder

    Age
    16 to 18
    Challenge level
    In this short problem we investigate the tensions and compressions in a framework made from springs and ropes.
  • Euler's buckling formula
    problem

    Euler's Buckling Formula

    Age
    16 to 18
    Challenge level
    Derive Euler's buckling formula from first principles.
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