Pressure Differences in Liquids and Gases Depends on Density Flashcards
1
Q
What is pressure difference?
A
The difference in pressure between two points in a liquid or a gas
2
Q
What does pressure difference depend on?
A
The height difference, and the density of the substance
3
Q
What also has an effect?
A
Gravity - g is the gravitational field strength
4
Q
What is the formula for pressure difference?
A
Pressure difference = height x density x gravitational field strength
