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ID number:913578
 
Evaluation:
Published: 30.03.2011.
Language: Latvian
Level: Secondary school
Literature: n/a
References: Not used
Extract

Lielumi
Atkarīgais – atsvara smaguma spēka pleca garums lat
Neatkarīgais – sviras smaguma spēka pleca garums lsv
Fiksētie – atsvara masa mat, sviras masa msv, sviras garums l

Darba piederumi: atsvari, svira, mērlente (3 m), zīmulis.

Darba gaita:
1. Ar mērlenti izmēra sviras garumu, atrod sviras centru.
2. Uz galda miera stāvoklī novieto zīmuli, uz zīmuļa novieto sviru tā, lai sviras centrs būtu tieši virs zīmuļa.
3. Līdzsvaro sviru.
4. Uz sviras viena pleca novieto atsvaru, kura masa m – brīvi izvēlēta. Līdzsvaro sviru. Nomēra abu sviras plecu garumus līdz centram.
5. Šo eksperimentu veic vēl 5 reizes un datus reģistrē tabulā. Aprēķina sviras masu.

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