Stopping safely (Edexcel 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 is the formula for stopping distance?
What is the formula for stopping distance?
Thinking distance + braking 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 does thinking distance relate to speed?
How does thinking distance relate to speed?
Directly proportional to speed
If speed doubles, what happens to braking distance?
If speed doubles, what happens to braking distance?
It quadruples
How do icy roads affect braking distance?
How do icy roads affect braking distance?
Decrease friction, increase distance
How do worn tyres affect braking distance?
How do worn tyres affect braking distance?
Lower friction, increase distance
What is the braking distance for a car travelling at 30mph?
What is the braking distance for a car travelling at 30mph?
14m
What energy transfer occurs during braking?
What energy transfer occurs during braking?
Kinetic energy to thermal energy
On a velocity-time graph, what shows thinking distance?
On a velocity-time graph, what shows thinking distance?
Horizontal portion at constant speed
How do worn brakes affect braking distance?
How do worn brakes affect braking distance?
Reduce friction, increase distance
Why does thinking distance increase with speed?
Why does thinking distance increase with speed?
Reaction time constant, more distance