Stopping distance (AQA GCSE Physics Combined Science): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What are the two parts that make up stopping distance?
What are the two parts that make up stopping distance?
Thinking distance & braking distance
What is thinking distance?
What is thinking distance?
Distance travelled while driver reacts
What is braking distance?
What is braking distance?
Distance travelled while slowing down
How does thinking distance change when speed doubles?
How does thinking distance change when speed doubles?
It doubles
How does braking distance change when speed doubles?
How does braking distance change when speed doubles?
It quadruples (4× increase)
At 20 mph braking distance is 6m. What is it at 40 mph?
At 20 mph braking distance is 6m. What is it at 40 mph?
24m
Which factor increases thinking distance?
Which factor increases thinking distance?
Tiredness
Which factor increases braking distance?
Which factor increases braking distance?
Worn tyres
Why do wet roads increase braking distance?
Why do wet roads increase braking distance?
Less grip between tyres and surface
What happens to kinetic energy when brakes are applied?
What happens to kinetic energy when brakes are applied?
It becomes heat through friction
What is the formula for kinetic energy?
What is the formula for kinetic energy?
Why does braking distance increase rapidly with speed?
Why does braking distance increase rapidly with speed?
Kinetic energy depends on speed squared