Basics; introduction to vectors; equilibrium of forces - friction; moment, forces and equilibrium; velocity and acceleration in a straight line; further vector analysis; projectiles; work, energy and power; motion of particles in two dimensions; circular motion; momentum and impact; simple harmonic motion; differential equations; relative motion; centres of gravity and mass; frameworks; equilibrium of forces in three dimensions; motion of the centre of mass - stability; rotation - moments of inertia.