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1. Unitati si prefixe SI

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Viteza<br />

<strong>Unitati</strong> ce nu fac parte din <strong>SI</strong><br />

1 2 3 4<br />

metru pe<br />

secunda<br />

kilometru pe ora<br />

nod<br />

Putere watt cal putere<br />

Timp<br />

Masa<br />

Forta<br />

Pre<strong>si</strong>une<br />

Rezistenta<br />

(ten<strong>si</strong>une<br />

mecanica)<br />

Energie<br />

secunda<br />

kilogram<br />

newton<br />

pascal<br />

pascal<br />

joule<br />

minut<br />

ora<br />

zi<br />

tona<br />

caract metric<br />

kilogram forta<br />

tona forta<br />

bar<br />

kilogram forta pe<br />

centimetru patrat<br />

atmosfera normala<br />

(sau fizica)<br />

atmosfera tehnica<br />

torr<br />

milimetru coloana<br />

de mercur<br />

milimetru coloana<br />

de apa<br />

kilogram forta pe<br />

milimetru patrat<br />

watt-ora<br />

electronvolt<br />

Tabelul 7. Continuare<br />

Utilizare generala<br />

Navigatia maritima <strong>si</strong><br />

aeriana<br />

Constructia de ma<strong>si</strong>ni <strong>si</strong><br />

motoare<br />

Utilizare generala<br />

Utilizare generala<br />

Pentru perle <strong>si</strong> pietre<br />

pretioase<br />

Pentru instalatii <strong>si</strong> ma<strong>si</strong>ni<br />

de ridicat <strong>si</strong> pentru<br />

rezistenta materialelor<br />

Hidrologie, meteorologie,<br />

constructia de recipiente,<br />

butelii <strong>si</strong> instalatii sub<br />

pre<strong>si</strong>une<br />

Energetica <strong>si</strong><br />

termotehnica<br />

Meteorologie <strong>si</strong> tehnica<br />

vidului<br />

Meteorologie <strong>si</strong> medicina<br />

Energetica <strong>si</strong><br />

termotehnica<br />

Pentru rezistenta<br />

materialelor<br />

Pentru consumul de<br />

energie electrica<br />

Electronica, fizica<br />

atomica <strong>si</strong> nucleara,<br />

tehnica reactoarelor <strong>si</strong><br />

medicina<br />

18<br />

A.Chiciuc, I.Sobor

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