Physics › Section B · Kinematics in one and two dimensions › Topic B.1
Displacement, vectors, and scalars
Before you can say how fast something moves, you need a precise way to say where it is and how far it has shifted. This topic sets up positions, displacement and distance, and the difference between quantities that have a direction and quantities that do not.
In this topic
- Describing motion
- Reference frames and position
- Choosing a coordinate system
- Displacement
- Worked example: a corridor walk
- Distance travelled
- Vectors and scalars
- What a minus sign means
- Worked example: a lift with two conventions
- Beyond a straight line
- Common mistakes to avoid
- Key takeaways
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