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The SI unit for pressure is the pascal (Pa), equal to one newton per square metre (N/m2, or kg·m−1·s−2). This name for the unit was added in 1971; before that, pressure in SI was expressed simply in newtons per square metre.
SI unit: Pascal
In SI base units: 1 N/m2, 1 kg/(m·s2), or 1 J/m3
Dimension: M L−1 T−2
Derivations from other quantities: p = F / A
Explanation:
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