Stopping safely (Edexcel GCSE Physics): Quizzes
📚Quizzes
Practise the questions
15 questions from this quiz
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Practise the questions
15 questions from this quiz
What is the formula for stopping distance?
What is the formula for stopping distance?
What is thinking distance?
What is thinking distance?
Distance during driver's reaction time
What is braking distance?
What is braking distance?
Distance while brakes applied until stop
How do wet or icy roads affect braking distance?
How do wet or icy roads affect braking distance?
Increase it by reducing friction
How do worn tyres affect braking distance?
How do worn tyres affect braking distance?
Increase it by lowering friction
What is the braking distance for a car travelling at 30mph?
What is the braking distance for a car travelling at 30mph?
14m
What is the braking distance for a car travelling at 70mph?
What is the braking distance for a car travelling at 70mph?
75m
What is the typical reaction time used in stopping distance calculations?
What is the typical reaction time used in stopping distance calculations?
Approximately 1 s
What is the approximate mass of a typical car?
What is the approximate mass of a typical car?
1000 kg
How is thinking distance related to speed?
How is thinking distance related to speed?
Directly proportional to speed
What happens to braking distance if speed doubles?
What happens to braking distance if speed doubles?
Braking distance quadruples
What energy transfer occurs when a car brakes?
What energy transfer occurs when a car brakes?
Kinetic to thermal energy
Why does thinking distance increase with speed?
Why does thinking distance increase with speed?
Car covers more distance in same time
On a velocity-time graph, how is thinking distance shown?
On a velocity-time graph, how is thinking distance shown?
Horizontal portion at constant speed
On a velocity-time graph, how is braking distance shown?
On a velocity-time graph, how is braking distance shown?
Sloped portion where velocity drops