gibalna kolicina(izrek), sunek sile, trki Flashcards

(4 cards)

1
Q

neprožni trk

A

mv1 = (m1+m2) × v2
mv1 + mv2 = (m1+m2) × v3

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2
Q

prožni trk

A

mv1 = mv1 + mv2
mv1 + mv2 = mv1 + mv2

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3
Q

gibalna količina
- izrek o ohranitvi gibalne količine
- izrek o gibalni količini

A

je produkt sistema prijemalisc in njegove hitrosti
- če je sunek zunanjih sil na opazovanem sistemu enak nič, se skupna gibalna količina ohranja
- F × △t = m × V

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4
Q

sunek sile

A

F × △t = △G (Ns), sunek zunanjih sil je enak spremembi gibalne količine telesa

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