Pascal (unit)
E529846
Pascal (unit) is the SI derived unit of pressure, defined as one newton of force applied per square meter.
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
SI derived unit
ⓘ
unit of pressure ⓘ |
| approvedBy | General Conference on Weights and Measures NERFINISHED ⓘ |
| approximateRelation |
1 atm ≈ 101325 Pa
ⓘ
1 bar = 100000 Pa ⓘ 1 psi ≈ 6894.76 Pa ⓘ |
| category |
SI derived units
ⓘ
units of pressure ⓘ |
| definition |
1 N/m²
ⓘ
one newton per square metre ⓘ |
| dimension | M·L⁻¹·T⁻² ⓘ |
| equals |
1 N/m²
ⓘ
1 kg/(m·s²) ⓘ 1 newton per square metre ⓘ |
| equalsInSIBaseUnits | 1 kg·m⁻¹·s⁻² ⓘ |
| fieldOfUse |
engineering
ⓘ
fluid mechanics ⓘ materials science ⓘ meteorology ⓘ physics ⓘ |
| introducedBy | International Bureau of Weights and Measures NERFINISHED ⓘ |
| isCoherentSIUnit | true ⓘ |
| isDerivedFrom |
kilogram (unit)
ⓘ
metre (unit) ⓘ newton (unit) NERFINISHED ⓘ second (unit) ⓘ |
| isStandardUnitFor | pressure in the SI system ⓘ |
| multipleUnit |
gigapascal
ⓘ
kilopascal ⓘ megapascal ⓘ |
| namedAfter | Blaise Pascal NERFINISHED ⓘ |
| namedInYear | 1971 ⓘ |
| quantityMeasured | pressure ⓘ |
| relatedNonSIUnit |
atmosphere (unit)
ⓘ
bar ⓘ pounds per square inch ⓘ torr ⓘ |
| replacedUnit | newton per square metre (as a non‑coherent name) ⓘ |
| SIBaseExpression | kg·m⁻¹·s⁻² ⓘ |
| submultipleUnit |
hectopascal
ⓘ
micropascal ⓘ millipascal ⓘ |
| symbol | Pa ⓘ |
| system | International System of Units NERFINISHED ⓘ |
| usedFor |
Young's modulus
NERFINISHED
ⓘ
internal pressure ⓘ sound pressure ⓘ stress ⓘ ultimate tensile strength ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.