Question detail
Which option best applies momentum for Momentum and conservation of momentum (HT only) 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
Momentum
Question
- A. Total momentum remains constant before and after the collision — application focus for momentum
- B. This confuses moment and force and does not answer Momentum and conservation of momentum (HT only).
- 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 Momentum.
Answer
The correct answer is: Total momentum remains constant before and after the collision — application focus for momentum
Explanation
The correct option is Total momentum remains constant before and after the collision — application focus for momentum. Total momentum remains constant before and after the collision — application focus for momentum is correct because it matches the approved learning objective to (HT only) Distinguish momentum from kinetic energy in collision explanations. This answer belongs to Momentum and conservation of momentum (HT only) within Momentum, so it must use precise AQA GCSE Physics forces and motion vocabulary. The other options are wrong because they either confuse moment and force, omit the required force or motion condition, or move away from the exact subtopic being tested.
Common mistake
Confusing Momentum with Kinetic Energy
Students often confuse momentum with kinetic energy, thinking they are the same when explaining collisions.
Emphasize that momentum is a vector quantity defined as mass multiplied by velocity, while kinetic energy is a scalar quantity calculated as 0.5 times mass times velocity squared.
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