Question detail
Pressure and pressure differences in fluids (physics only) scenario: a force meter stretches a spring and the extension is measured. Which answer best addresses Pressure on a surface (physics only) and the objective to (Physics only) Explain why a smaller area gives a greater pressure for the same force?
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 spring test scenario, apply pressure to (Physics only) Explain why a smaller area gives a greater pressure for the same force while keeping force versus pressure separate.
- B. In the spring test scenario, mix up force versus pressure and ignore pressure.
- C. Use a general revision statement without applying Pressure on a surface (physics only) to the situation.
- D. Choose a different forces topic instead of explaining (Physics only) Explain why a smaller area gives a greater pressure for the same force.
Answer
The correct answer is: In the spring test scenario, apply pressure to (Physics only) Explain why a smaller area gives a greater pressure for the same force while keeping force versus pressure separate.
Explanation
The correct option is In the spring test scenario, apply pressure to (Physics only) Explain why a smaller area gives a greater pressure for the same force while keeping force versus pressure separate.. It is correct because the scenario says a force meter stretches a spring and the extension is measured, which must be interpreted through Pressure on a surface (physics only). This directly supports the learning objective to (Physics only) Explain why a smaller area gives a greater pressure for the same force. Use values 7, 15, and 22 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
Students often confuse pressure with force, thinking that a larger force always results in greater pressure, regardless of the area.
Emphasize that pressure is defined as force per unit area. To increase pressure, the same force must be applied over a smaller area.
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