Stopping Distance Flashcards

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  • Look through all the flashcards to see what's on both sides.
  • Make sure you understand the information on each card. If something's unclear, click the link to the revision notes at the bottom of the page for more details.

2️⃣ Test yourself:

  • Look at the question or prompt on each card and try to remember the answer before flipping it over.
  • Check the answer and make a note of any cards you find challenging and need to go over more.

3️⃣ Consistently Review and Practice:

  • Use spaced repetition: spend more time on the cards you struggle with and go over them more often.
  • Regularly review all the flashcards to help you better understand and retain the information over time.

Note: We may include questions that have multiple correct answers. It's useful to remember specific examples to understand these concepts better.

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What is stopping distance?

The total distance a car travels from spotting a hazard to coming to a full stop.

What are the two parts of stopping distance called?

Thinking distance and braking distance.

What is thinking distance?

The distance the car travels while the driver reacts and moves to brake.

What is braking distance?

The distance the car travels after the brakes are applied until it stops.

How do you calculate thinking distance from speed and reaction time?

Thinking distance equals speed times reaction time.

Calculate: A car travels at 15 m/s and the driver’s reaction time is 0.6 s. What is the thinking distance?

9 m.

How do you find braking distance if you know stopping distance and thinking distance?

Braking distance equals stopping distance minus thinking distance.

Name three things that can increase a driver’s reaction time.

Tiredness, using a phone, and alcohol or drugs.

Name three factors that can increase braking distance.

Wet or icy roads, worn tyres or brakes, and a heavier vehicle.

What happens to thinking distance if speed doubles (same reaction time)?

It doubles.

What happens to braking distance if speed doubles?

It is about four times as long.

During braking, what energy change happens in the car?

The car’s kinetic energy turns into heat in the brakes, tyres and road.