Edexcel IGCSE Physics · Spec 5.5-5.7
Pressure and Pressure in Liquids
Covers calculate pressure from force and area, Explain why liquid pressure increases with depth and Use p = rho g h with all three factors.
Physics revision video
Pressure and Pressure in Liquids
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Spec 5.5-5.7
What you need to know
- Calculate pressure from force and area
- Explain why liquid pressure increases with depth
- Use p = rho g h with all three factors
Active recall
Quick check
Answer each question before opening the answer.
What three factors determine liquid pressure?
Density, gravitational field strength and depth
What is the unit of pressure?
The pascal, Pa
Why does pressure increase with depth?
There is a greater weight of liquid above the point
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