Pressure can be balanced with temperature. if you increase pressure u can actually change the state of a substance by changing temperatures. the state at low temp and high pressure is solid, med temp = liquid, and high temp = g... at low pressure and medium temp the state would be gas... thus there is a relationship between the two. you should look at phase change diagrams.
When air pressure acts equally on an object from all directions, it results in balanced forces that cancel each other out. This balanced pressure is what allows objects to maintain their shape and not be crushed by the surrounding air pressure.
balanced pressure
1. balanced pressure
When the pressure of nitrogen is balanced between the air and your body, you are at a state of equilibrium. This means that the pressure of nitrogen inside your body is equal to the pressure of nitrogen in the surroundings, creating a balance that prevents any further pressure buildup or release.
If the human body was hollow and contained a vacuum, we would then feel the air pressure. However, our lungs contain air, so the internal pressure is the same as the external pressure. Air pressure is perfectly balanced everywhere it is in contact with us, and all of our internal fluids, blood, lymph, etc., are under pressure, and balance the pressure that the air exerts. If a human being were to be exposed to the vacuum of outer space, our pressurized internal fluids would explode. We can only feel a difference in pressure, we do not feel perfectly balanced pressures, within and without.
We don't get squished by air pressure because our bodies are also filled with air, so the pressure inside and outside our bodies remains balanced. Our bodies have evolved to withstand the external air pressure, and any small changes in pressure are easily managed by our respiratory and circulatory systems.
Air pressure pushes equally on all sides of the can, so the pressure from the outside and inside of the can is balanced, preventing it from being crushed. Without any changes in pressure or force acting on the can, it remains in its original shape.
When the air inside the can is pumped out, there is a decrease in pressure inside the can. The outside air pressure then pushes on the sides of the can, causing it to collapse. This happens because the higher pressure outside the can is not balanced by the lower pressure inside the can.
The can is designed to withstand the external air pressure. When a can is sealed, the pressure inside and the pressure outside are balanced. However, when the can is empty and open, the pressure inside and outside the can equalize, preventing the can from being crushed.
It is balanced by radiation pressure, and gas pressure.
We don't feel the weight of air on our heads because air pressure is exerted uniformly in all directions, including upwards and downwards. This means that the pressure pushing down on us from the atmosphere is balanced by the pressure exerted by our bodies and the air inside us. Additionally, our bodies are adapted to this constant pressure, making it imperceptible in our daily experience.
Gravity((: