3 Work, energy and momentum

3.1 Energy and work

3.2 Kinetic energy
        Bitesize - Kinetic energy

3.3 Momentum
        Video podcast - momentum explained (at bottom of page)
        Bitesize - momentum
       
3.4 More on collisions and explosions
        Video - Slow motion apple exploding
        Video - Slow motion explosions in HD

3.5 Changing momentum
        Video - momentum rap

3.6 Forces for safety
        Bitesize - momentum and safety
        Video - Crash test

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