The area over which a force acts, is proportional to the pressure. When the area is large then, the pressure acted on it is also large, so the force is greater.
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Pressure is a force exerted by a gas or liquid, and is measured in so many units of force per unit area covered. The most common one we meet is pounds per square inch, in your car tyres for instance. So the actual force experienced is the pressure times the area which it acts on
THE SIMPLE RELATION BETWEEN PRESSURE AND AREA WITH A CONSTANT FORCE IS
THAT THEY ARE INVERSELY PROPORTIONAL TO EACH OTHER MEANS IF AREA INCREASES THEN PRESSURE DECREASES AND IF AREA DECREASES THEN PRESSURE INCREASES
P = 1/A
P=pressure
A=area
Pressure is the force over an area applied to an object in a direction perpendicular to the surface. p = F / A where:
p is the pressure,
F is the normal force,
A is the area.
when area decreases pressure increases and when area increases pressure decreases
The area over which a force acts, is proportional to the pressure. When the area is large then, the pressure acted on it is also large, so the force is greater.
compressor work on two principles 1)reduce volume of a constant amount of gas 2)adding more gas in a constant amount of volume positive displacement compressor works on first principle it reduces the volume of gas by applying force on it but gas amount is constant in every stroke or rotation thus increasing the pressure. centrifugal compressor work on second principle it adds more amount of gas in a given constant volume thus the pressure increase.
because the cross-sectional area decreases as the test progresses. to keep the pressure constant, the weight must decrease. (pressure is force divided by area)
The buoyant force on an object submerged in a fluid is caused by the pressure difference between the top and bottom of the object. To overcome the gravitational force, the buoyant force acts in the upward direction. The larger pressure at greater depth pushes upward on the object.
Pressure is an effect which occurs when a force is applied on a surface.Mathematically pressure is: p = F / Awhere: * p is the pressure,F is the normal force,A is the area.
Force over Area= Pressure