Question detail
Which option best applies physics only for Atmospheric pressure (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. Air particles collide with surfaces from all angles — application focus for physics only
- B. This confuses force and pressure and does not answer Atmospheric pressure (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: Air particles collide with surfaces from all angles — application focus for physics only
Explanation
The correct option is Air particles collide with surfaces from all angles — application focus for physics only. Air particles collide with surfaces from all angles — application focus for physics only is correct because it matches the approved learning objective to (Physics only) Explain why air pressure acts in all directions. This answer belongs to Atmospheric pressure (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
Understanding Air Pressure Direction
Students often think that air pressure only acts downwards due to gravity.
Emphasize that air pressure acts in all directions because air particles collide with surfaces from all angles.
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