Pressure on a flat surface

Pressure in gases

This article provides answers to the following questions, among others: What causes the pressure in gases?How is the unit bar converted into the unit Pascal?What is...
Drinking straw in a glass with water

How does a drinking straw work?

This article provides answers to the following questions, among others: How does drinking with a straw work from a physical point of view?What role does ambient...
Pressing a drawing pin together between two fingers

Pressure

This article provides answers to the following questions, among others: What is pressure?In what way does the contact pressure differ from a gas pressure or liquid...
Stratification of the earth's atmosphere

Barometric formula for an isothermal atmosphere

The barometric formula describes the decrease of air pressure with increasing altitude. Without the influence of the temperature changes, the air pressure decreases by about 1.2% per 100 meters...
Hydraulic bottle jack

How does a hydraulic jack work: Pascals law

A hydraulic jack is based on Pascal's law, which states that the pressure in liquids acts equally in all directions. This article...
Water tower

Applications and examples of hydrostatic pressure

This article provides answers to the following questions, among others: Which properties of the hydrostatic pressure could Pascal demonstrate with his barrel experiment?How does the pressure...
Influence of vessel shape on hydrostatic pressure

Pressure in liquids (hydrostatic pressure)

This article provides answers to the following questions, among others: What causes the hydrostatic pressure in liquids?On which variables does the hydrostatic pressure depend?What is the...
Container ship

How do boats float: Buoyancy in liquids

Buoyancy is the force directed against gravity that an object experiences when submerged in a fluid (liquid or gas). More information on how buoyancy is formed can be found...