Question detail
Which option best applies pressure for Pressure on a surface (physics 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
Pressure and pressure differences in fluids (physics only)
Question
- A. 400 Pa — calculation focus for pressure
- B. This confuses force and pressure and does not answer Pressure on a surface (physics 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 Pressure and pressure differences in fluids (physics only).
Answer
The correct answer is: 400 Pa — calculation focus for pressure
Explanation
The correct option is 400 Pa — calculation focus for pressure. 400 Pa — calculation focus for pressure is correct because it matches the approved learning objective to (Physics only) Calculate force from pressure and area. This answer belongs to Pressure on a surface (physics only) within Pressure and pressure differences in fluids (physics only), so it must use precise AQA GCSE Physics forces and motion vocabulary. The other options are wrong because they either confuse force and pressure, omit the required force or motion condition, or move away from the exact subtopic being tested.
Common mistake
Common Mistake in Calculating Force
Students often confuse the formula for calculating force from pressure and area, mistakenly using pressure = force / area instead of the correct formula.
Remind students that the correct formula is force = pressure × area. Encourage them to practice rearranging the formula correctly.
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