Describing motion: Scalars, vectors and the equations of uniformly accelerated motion

What this note covers

1. What Section B is testing, and why the vocabulary comes first
2. Scalars and vectors: distance and displacement, speed and velocity
3. Setting a sign convention and sticking to it
4. Average and instantaneous quantities
5. The three equations of motion and where each one is useful
6. Multi-stage problems and the non-routine contexts Section B uses
7. Units, significant figures and the 'show that' convention
8. How Section B examines this — and what separates a top answer

8 sections · 12 key terms & formulas · 6 common mistakes