Interactive videos for unit 1. Watch the videos and answer any questions that pop up to test your understanding.

SI Units

Scalars and Vectors

Adding Vectors

Resolving Vectors

Motion Graphs

Equations of Motion

Projectile Motion

Newton’s Laws

Conservation of Momentum


Work, Energy and Power

Springs, Hooke’s Law and Energy

Measurement of the Young Modulus

Radiation from Stars

Particle Physics