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 is conserved in a closed system — 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 is conserved in a closed system — definition focus for momentum
Explanation
The correct option is Momentum is conserved in a closed system — definition focus for momentum. Momentum is conserved in a closed system — definition focus for momentum is correct because it matches the approved learning objective to (HT only) Use signs or directions consistently in momentum calculations. 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
Sign Direction Confusion
Students often forget to assign the correct signs to momentum values, leading to incorrect calculations in momentum problems.
Always define a consistent direction for positive and negative momentum values before starting calculations, and ensure to apply these signs correctly.
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