Fizică, întrebare adresată de MariaGiurgiu, 9 ani în urmă

Desenul cu fortele va rog !!

Anexe:

Răspunsuri la întrebare

Răspuns de stassahul
1
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Anexe:

MariaGiurgiu: ffr e forta de reactiune??
stassahul: N-forta de reactiune intre corp si plan, Ffr-forta de frecare
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