Balanced and unbalanced forces

Mass & weight
        Video - Astronaut on moon

Speeding up
        Thrust SSC land speed record
        Bloodhoud SSC land speed challenger (the nose was built in Derbyshire!)

Hitting the limit
        Video - The physics of skydiving

Magnetic fields
        Video - Magnetic fields cause aurora

Electromagnets
        Video - magnetic levitation
        Making your own electro magnet
        Video - Electromagnet picks up scrap metal

Calculating pressure

Pressure in fluids

        Video - Pressure of water

Levers
        Video - Class 1 levers
        Video - Class 2 levers
        Video - Class 3 levers

Moments