Pressure
Start practice →40 questions · free, no account to start
What you'll learn
Pressure as force spread over an area, density as mass per volume, how pressure in a liquid depends on depth, and how enclosed fluids transmit pressure equally in hydraulic systems and manometers.
- Pressure is force spread over an area
- A smaller area gives a greater pressure for the same force
- Density is mass per unit volume
- Pressure in a liquid depends on depth, density and gravity
- An enclosed fluid transmits pressure equally in all directions
- Atmospheric pressure can be measured by a liquid column's height
- A manometer measures a pressure difference