Question detail
Which option best applies mass 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. 50 kg m/s — application focus for mass
- B. This confuses mass and weight 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: 50 kg m/s — application focus for mass
Explanation
The correct option is 50 kg m/s — application focus for mass. 50 kg m/s — application focus for mass is correct because it matches the approved learning objective to (HT only) Use the equation momentum = mass x velocity. 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 mass and weight, omit the required force or motion condition, or move away from the exact subtopic being tested.
Common mistake
Misidentifying momentum as kinetic energy
Students often confuse momentum (p = mv) with kinetic energy (Ek = ½mv²) and use the wrong formula when calculating momentum.
Remember that momentum is a vector quantity given by p = m × v, while kinetic energy is a scalar given by Ek = ½ m v². Use the correct formula based on the question’s requirement.
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