I can’t seem to wrap my head around the term pressure.
Vehicle tyres use air pressure, toilets faucets etc use pressure (presumably water pressure),
pressing onto something applies pressure, our blood has pressure, temperature is also affected by “pressure”.
I know there are various types of pressure, and I can’t think of any more examples at the moment, but my point is “pressure” sounds like a very arbitrary or vague umbrella term to me.
Help me make sense of it?
In: 3
The formula for pressure is force per unit of area. There is pressure whenever there is a force applied to an area. What force and what area is arbitrary, so the definition is kinda vague.
Usually the force is a mechanical one. Air pressure in a tyre is related to the force air has inside the tyre. Blood pressure is related to the force blood is pumped in your veins and arteries. And so on.
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