Question detail
Pressure and pressure differences in fluids (physics only) scenario: air resistance changes until terminal velocity is reached. Which answer best addresses Pressure in liquids (physics only) and the objective to (Physics only) Explain that pressure in a liquid acts in all directions?
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. In the parachutist scenario, apply physics only to (Physics only) Explain that pressure in a liquid acts in all directions while keeping force versus pressure separate.
- B. In the parachutist scenario, mix up force versus pressure and ignore physics only.
- C. Use a general revision statement without applying Pressure in liquids (physics only) to the situation.
- D. Choose a different forces topic instead of explaining (Physics only) Explain that pressure in a liquid acts in all directions.
Answer
The correct answer is: In the parachutist scenario, apply physics only to (Physics only) Explain that pressure in a liquid acts in all directions while keeping force versus pressure separate.
Explanation
The correct option is In the parachutist scenario, apply physics only to (Physics only) Explain that pressure in a liquid acts in all directions while keeping force versus pressure separate.. It is correct because the scenario says air resistance changes until terminal velocity is reached, which must be interpreted through Pressure in liquids (physics only). This directly supports the learning objective to (Physics only) Explain that pressure in a liquid acts in all directions. Use values 8, 15, and 18 only if the question asks for a calculation. The answer earns credit by naming the relevant force or motion quantity, using units when needed, and avoiding the boundary error force versus pressure.
Common mistake
Understanding Pressure Direction
Students often think that pressure in a liquid only acts downwards due to gravity.
Pressure in a liquid acts in all directions, not just downwards. To understand this, visualize how a balloon filled with water expands equally in all directions when squeezed.
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