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7 Cards in this Set
- Front
- Back
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What is pressure |
Pressure is the force exerted per unit area |
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What is the formula for pressure |
P=F/A |
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What are the units of pressure |
N/m² or Pascals (Pa) |
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What happens when a force acts on a small area |
It produces a large pressure |
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What happens when a force acts on a large area |
It produces a small pressure |
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Why do tractors have large wheels |
To increase area and decrease the pressure to prevent tractors from sinking into muddy ground |
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Why is it very painful when a lady putting on a high heeled shoe steps on your toe compared to one putting a flat shoe |
The high heeled should has a smaller area acting on your toe hence pressure increases |
