Preassure Flashcards
What is preassure?
Perpendicular force acting on an object per unit area
What is the formula of preassure?
P = F/A
What does preassure depend on?
Preassure depends on the applied force and the area in which the force is applied
Preassure is ______ propotional to the area
Inversely
If area is more, preassure is _____.
Less
What does the term fluid mean?
Gases and liquids
What does the preassure of a fluid depend on?
The height of the liquid column
On the density of the fluid
What is the formula of density?
D = Mass/volume
What is the formula to calculate the preassure in a fluid?
P = P0+dgh
What is atmospheric preassure?
The envelope of air around the earth is called the Atmosphere. the preassure exerted by this air is called the Atmospheric preassure
What is the name of the instrument used too measure the atmospheric pressure ?
Manometer.
What are the units of measuring Atmostpheric preassure?
ATM