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Mechaninis judėjimas

Fizika, 8 klasė

Kas yra mechaninis judėjimas? Kūno padėties kitimas.
Kas yra trajektorija? Linija, kuria juda kūnas.
Koks judėjimas yra tiesiaeigis? Judėjimo kreivė- tiesė.
Koks judėjimas yra kreivaeigis? Judėjimo kreivė- kreivė.
Kas yra atskaitos kūnas? Kūnas, kurio atžvilgiu nustatoma kito kūno padėtis.
Kas gali būti atskaitos kūnu? Bet koks kūnas.
Kas yra materialusis taškas? Kūnas, kurio matmenų nepaisome.
Kiek yra koordinačių sistemų? 3
Pati paprasčiausia koordinačių sistema? Vienos koordinatės sistema.
Created by: simer