# 2. Vectors and Matrices

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Forces, velocities and accelerations as vectors; composition and resolution of velocities, relative velocity. Kinematics of a particle moving in a straight line. Motion with uniform acceleration. Include its graphical treatment. Discussion of Newton's Laws of Motion. Application to connected bodies. Ideas of mass, force, energy, work and power.

Composition and resolution of forces: moments. An experimental basis is sufficient, proofs of the fundamental theorems of statistics will NOT be required.

Simple cases of friction. The laws of friction between solids in contact.

The conservation of momentum in rectilinear motion. Conservation of energy.

Equilibrium of a particle and of a rigid body under coplanar forces.

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