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ความดัน

File:Pressure_exerted_by_collisions.svg · Wikimedia Commons · See Wikimedia Commons

EntityQ39552· pop 120· linked from 2,392 articles

ความดัน

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AI overview

Pressure is the force pushing down on a surface, spread out over an area—think of how your weight distributes across your feet versus across the tip of a needle. Understanding pressure matters because it helps explain everyday phenomena, from why sharp objects pierce easily to how air and liquids behave in different situations.

AI-generated from the Wikipedia summary — may contain errors.

Key facts

Physical quantity.name
Pressure
Physical quantity.image
Pressure exerted by collisions.svg
Physical quantity.image_size
250px
Physical quantity.caption
Pressure exerted by particle collisions inside a closed container. The collisions that exert the pressure are highlighted in red.
Physical quantity.unit
pascal (Pa)
Physical quantity.baseunits
kg⋅m⋅s
Physical quantity.symbols
,
Physical quantity.dimension
\mathsf{M} \mathsf{L}^{-1} \mathsf{T}^{-2}

via Wikipedia infobox

Research

1,556,032 papers

via PubMed

Wikidata facts

Image
Pressure exerted by collisions.svg
Show 7 more facts
Commons category
Pressure
topic's main category
Category:Pressure
different from
mechanical stress
on focus list of Wikimedia project
Wikipedia:Vital articles/Level/4
maintained by WikiProject
WikiProject Mathematics
invariant under
isobaric process
Sources (5)

via Wikidata · CC0

Gallery (19)