Question detail
Which option best applies stopping distance for Stopping distances and safety in AQA GCSE Physics Forces?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Forces and motion
Question
- A. Increased speed leads to greater kinetic energy — definition focus for stopping distance
- B. This confuses distance and displacement and does not answer Stopping distances and safety.
- C. This is too vague because it does not use the force or motion quantity named in the objective.
- D. This reverses the physical cause and effect for Forces and motion.
Answer
The correct answer is: Increased speed leads to greater kinetic energy — definition focus for stopping distance
Explanation
The correct option is Increased speed leads to greater kinetic energy — definition focus for stopping distance. Increased speed leads to greater kinetic energy — definition focus for stopping distance is correct because it matches the approved learning objective to explain why faster vehicles require greater stopping distances. This answer belongs to Stopping distances and safety within Forces and motion, so it must use precise AQA GCSE Physics forces and motion vocabulary. The other options are wrong because they either confuse distance and displacement, omit the required force or motion condition, or move away from the exact subtopic being tested.
Common mistake
Misunderstanding Stopping Distance
Students often think that stopping distance is only affected by the speed of the vehicle, ignoring other factors like road conditions and driver reaction time.
Emphasize that stopping distance is the sum of thinking distance and braking distance, and explain how each component is influenced by speed, reaction time, and external conditions.
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