Stopping Distance - GCSE Physics

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This video introduces the concept of stopping distances. The stopping distance is the distance it takes a vehicle to stop. It takes into account both the reaction time of the driver (this affects the thinking distance) and also the braking distance of the vehicle, both of which are affected by various factors.

Stopping distance = thinking distance + braking distance.

The thinking distance is dependent on both reaction time and speed. Factors like alcohol consumption, drug consumption, distractions and tiredness can affect the reaction time. The faster the vehicle is moving, the more distance it covers while the driver reacts.

The braking distance is dependent on both physical factors affecting the vehicle and speed. Physical factors such as the friction between the vehicle and the road, road conditions, brake condition and tyre condition affect the braking distance. The faster the vehicle is moving, the more distance it covers while it comes to a stop.

Thanks for watching,

Lewis

Relevant for GCSE Physics 9-1 in the following exam boards:
AQA (including Trilogy)
Edexcel
OCR A
OCR B
WJEC
Edexcel International IGCSE

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