Describing motion, and the four equations

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• 13 sections of explanation, worked examples and diagrams
• 2 practice tasks with hints and worked answers
• A quiz that marks itself as you go
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Other lessons in this sub-strand

1. Describing motion, and the four equations
2. Free fall and the acceleration due to gravity
3. Distance and displacement on real journeys
4. Speed, units and average speed
5. Velocity and relative speed
6. Acceleration, second by second
7. Using v = u + at
8. Using s = ut + ½at²
9. Using v² = u² + 2as
10. Using s = ((u + v)/2) × t
11. Distance–time graphs
12. Velocity–time graphs: gradient and area
13. Measuring acceleration on a ramp
14. Constant acceleration around us
15. Upward throws and the symmetric fall
16. Stopping distances, falls and staying alive