Factors Affecting Stopping Distance
Physics: AQA GCSE Higher, topic 5.3.21
Factors Affecting Thinking Distance
Several factors affect thinking distance. Some examples are:

Tiredness
- Tired drivers will react more slowly in an emergency.

Distractions
- Distractions will cause a driver to react more slowly in an emergency.
- Examples include mobile phones or small children.

Drugs or alcohol
- Drivers under the influence of drugs or alcohol will react more slowly in an emergency.
Test yourself on Factors Affecting Stopping Distance
Which of these are likely to increase your reaction time?