Physics - Key Stage 3 (11-14 year olds)
An interactive set of resources to cover most aspects of Forces, Moments and Pressure at all secondary levels of development and ability.Friction Flash
An excellent tutorial with animations which explains how frictional forces including air resistance can affect the motion of an object.Forces Flash
A simple illustrated tutorial explanation of what forces are and what they can do.Balanced Forces Flash
Learn that balanced forces produce no change in movement of an object. Excellent explanation and illustrations.