Question detail

Explain why a larger area gives a smaller pressure for the same force 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.

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Topic

Pressure and pressure differences in fluids (physics only)

Question

Explain why a larger area gives a smaller pressure for the same force Explain your answer using Pressure on a surface (physics only) and pressure.

Answer

When a force is applied over a larger area, the pressure decreases because pressure is defined as force per unit area. Therefore, spreading the same force over a larger area results in a lower pressure exerted on the surface.

Explanation

A strong answer should address (Physics only) Explain why a larger area gives a smaller pressure for the same force 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

Misunderstanding Pressure

Students often think that increasing the area always increases pressure, not realizing that pressure is force per unit area.

Remember that pressure decreases when the same force is applied over a larger area. Use the formula for pressure (P = F/A) to clarify this relationship.

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