ForcesMemory Aid

Memory Aid

Part of Stopping Distances · GCSE GCSE Physics revision

This memory aid covers Memory Aid within Stopping Distances for GCSE Physics. Revise Stopping Distances in Forces for GCSE Physics with 15 exam-style questions and 5 flashcards. This is a high-frequency topic, so it is worth revising until the explanation feels precise and repeatable. It is section 8 of 12 in this topic. Use it for quick recall, then test yourself straight afterwards so the memory aid becomes usable in an answer.

Topic position

Section 8 of 12

Practice

15 questions

Recall

5 flashcards

🧠 Memory Aid

Thinking vs Braking — "Driver vs Car":

Thinking distance is all about the DRIVER — their reaction time, whether they're tired, drunk, or distracted.

Braking distance is all about the CAR and ROAD — tyre grip, brake quality, road surface, vehicle mass.

Speed and distance relationship:

  • Thinking distance ∝ v (speed doubles → thinking distance doubles) — linear relationship
  • Braking distance ∝ v² (speed doubles → braking distance ×4) — squared relationship

Memory trick: "Thinking is T (linear), Braking is B (bigger — squared)"

Keep building this topic

Read this section alongside the surrounding pages in Stopping Distances. That gives you the full topic sequence instead of a single isolated revision point.

Practice Questions for Stopping Distances

What is the correct definition of stopping distance?

  • A. The distance the car travels while the brakes are applied only
  • B. The distance the car travels during the driver's reaction time only
  • C. Thinking distance plus braking distance
  • D. The speed of the car divided by the braking force
1 markfoundation

Explain why a car travelling at higher speed has a greater braking distance than a car travelling at lower speed, assuming the same braking force.

3 marksstandard

Quick Recall Flashcards

🧠 Factors Affecting THINKING Distance
Alcohol — impairs judgment and reactions
🧠 Factors Affecting THINKING Distance
Tiredness — slower brain processing

15 questions on Stopping Distances — practise free

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