Pression

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Pression
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In physica, pression[1] (denotate P o p) es le fortia applicate a o distribuite super un superficie[2]. Illo ha dimensions de fortia per unitate de area, P = F/A, o energia per unitate de volumine (densitate de energia). Pression es un specie de scalar quantitate physic. In thermodynamica, pression es proportional al producto de temperatura T e densitate numeric n, P = nkT, ubi k es le constante de Boltzmann. Un alternative formulation es PV = NRT.

Factos in breve
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Unitates

Unitates de pression include:

  • Pascal (unitate del SI)
  • Barye (unitate del cgs)
  • Bar (unitate tolerate)

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Referentias

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