Pascal (unità di misura)

Il Pascal (simbolo: Pa) è un'unità di misura derivata del Sistema internazionale. Il pascal è l'unità di misura della sollecitazione e come caso particolare della pressione, è equivalente a un newton su metro quadrato.
L'unità di misura prende il nome da Blaise Pascal, matematico, fisico e filosofo francese.
In acustica si impiega il Pa o suoi sottomultipli, in meteorologia è più largamente impiegato l'hPa, insieme al kPa. Il MPa e il GPa rispettivamente per misurare la resistenza dei materiali e il loro modulo di elasticità. (fonte: Wikipedia)

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