Question detail
A force of 200 N is applied to a surface area of 0.5 m². Calculate the pressure exerted on the surface Explain your answer using Pressure on a surface (physics only) and pressure.
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
Question
Type
exam_style
Style
Topic
Pressure and pressure differences in fluids (physics only)
Question
A force of 200 N is applied to a surface area of 0.5 m². Calculate the pressure exerted on the surface Explain your answer using Pressure on a surface (physics only) and pressure.
Answer
400 Pa
Explanation
A strong answer should address (Physics only) Calculate area from force and pressure directly. Use the context of Pressure on a surface (physics only) within Pressure and pressure differences in fluids (physics only), then state the relevant forces or motion reasoning with units where needed. The answer is correct when it names the key physics quantity, keeps force and pressure distinct, and links the conclusion back to the approved learning objective.
Common mistake
Common Mistake in Pressure Calculation
Students often confuse the formula for calculating area from pressure and force, mistakenly using area = pressure / force instead of area = force / pressure.
To fix this, remember that area is calculated by dividing the force applied by the pressure: area = force / pressure. Always ensure you are using the correct arrangement of the formula. In Pressure on a surface (physics only), correct the mistake by naming the relevant force or motion quantity and checking force and pressure.
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