Ratio & ProportionLow Exam FrequencyAQAEdexcelOCRWJEC

Pressure

Revise Pressure in Ratio & Proportion for GCSE Mathematics with 12 exam-style questions and 2 flashcards. This topic appears less often, but it can still pick up marks when it appears in mixed-topic papers.

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What Is Pressure?

Introduction 2

Key Facts

Key Facts 3

Method: PFA Triangle

Deep Dive 4

Worked Example 1: Finding Pressure

Notes 5

Worked Example 2: Finding Area

Notes

Sample Flashcards

Pressure Formula

Pressure = Force ÷ Area. Units: N/m² or Pascals (Pa). Same force over smaller area = MORE pressure!

Pressure Applications

Pressure = Force ÷ Area. Sharp knives, stiletto heels, snowshoes - all examples of changing area to change pressure!

Sample Questions

Which formula correctly defines pressure?

A. Pressure = Area ÷ Force
B. Pressure = Force × Area
C. Pressure = Force ÷ Area
D. Pressure = Force + Area

1 markfoundation

A woman weighs 650 N. She wears flat shoes (each with area 150 cm²) or stiletto heels (each with area 1 cm²). She stands on one foot. Explain why the stiletto heel exerts a much greater pressure on the floor than the flat shoe. Support your answer with a calculation.

2 marksstandard

exam-style questions

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