Portrait of Lord Melvyn Bragg, host of In Our Time

Classical mechanics

Classical mechanics is a physical theory describing the motion of macroscopic objects, from projectiles to parts of machinery and astronomical objects, such as spacecraft, planets, stars, and galaxies. For objects governed by classical mechanics, if the present state is known, it is possible to predict how it will move in the future (determinism), and how it has moved in the past (reversibility).

2 episodes

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  1. Kinetic Theory

    Melvyn Bragg and guests discuss the growth of ideas about gas pressure, from Newton's theory that static particles push against each other to Maxwell and Boltzmann's moving atoms.

    23 May 2019

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    Featuring: Steven Bramwell, Isobel Falconer, Ted Forgan

     
  2. The Laws of Motion

    Melvyn Bragg and guests discuss Isaac Newton’s Laws of Motion – three sentences that explain the movements of everything from planets to ping pong balls.

    3 April 2008

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    Featuring: Simon Schaffer, Raymond Flood, Rob Iliffe