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Punct material este un corp ale cărui dimensiuni și rotații proprii nu ne interesează
Mobilul este un punct material aflat în mișcare
Automobilul este punctul material care se mișcă datorită unor forțe proprii, forțe generate de el însuși
Traiectoria reprezintă drumul urmat de un mobil în spațiu
Viteza medie se noteaza prin vm
Viteza medie este viteza totala, calculata pe toata durata miscarii
Accelerația se noteaza prin a
Accelerația este mărimea fizică egală cu raportul dintre variația vitezei și timp
Un corp este considerat în repaus dacă poziția lui față de alte corpuri nu se schimbă
Mișcarea reprezintă schimbarea poziției unui corp față de poziția altui corp
Viteza se noteaza prin v
Frecvența se măsoară în rotații/secundă
Perioada se notează cu T
Created by: 1064937977003229
Popular Physics sets




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