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. Momentum before a collision equals momentum after the collision — definition 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: Momentum before a collision equals momentum after the collision — definition focus for momentum
Explanation
The correct option is Momentum before a collision equals momentum after the collision — definition focus for momentum. Momentum before a collision equals momentum after the collision — definition focus for momentum is correct because it matches the approved learning objective to (HT only) Apply conservation of momentum to simple collisions in one dimension. 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
Misunderstanding Momentum Conservation
Students often think that momentum is conserved only when two objects collide, ignoring scenarios where one object explodes or separates.
Emphasize that momentum is conserved in all closed systems, including both collisions and explosions, and practice applying this principle in various scenarios.
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