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Pressure Force Area Flashcards
GCSE Mathematics (Edexcel) 1MA1
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Pressure formula
Pressure = Force ÷ Area
Unit of pressure
Pascals (Pa) or N/m² (Newtons per square metre)
Unit of force
Newtons (N)
Unit of area
Square metres (m²)
Relationship between pressure and area
Pressure decreases as area increases, if force remains constant.
Relationship between pressure and force
Pressure increases as force increases, if area remains constant.
1 Pascal (Pa)
1 Pascal is equal to 1 Newton per square metre (1 N/m²).
How to calculate force from pressure and area
Force = Pressure × Area
How to calculate area from pressure and force
Area = Force ÷ Pressure
Practical example of pressure
High heels exert more pressure on the ground than flat shoes because the area in contact with the ground is smaller.
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