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  • Laboratorijas darbs. Berzes un kļūdas aprēķināšana

     

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ID number:107218
 
Evaluation:
Published: 17.03.2011.
Language: Latvian
Level: Elementary school
Literature: n/a
References: Not used
Extract

Darba uzdevums.
Noteikt ķermeņa berzes spēku un aprēķināt berzes koeficientu, kļūdu (Sjūdenta koeficients, Epsilons).

Hipotēze.
Berzes spēka un berzes koeficienta maiņa un palielināšanas atkarībā no ķermeņa masas, un no virsmas, pa kuru tas slīd.

Darba piederumi.
Koka klucis, dinamometrs, 100g atsvari.

Darba gaita.
Paņemam kluci un iekarinam to dinamometrā un nosakam kluča smaguma spēku, tad noliek kluci ar dinamometru noliek uz galda un dinamometru velk prom, tad nosaka berzes spēku un berzes spēku miera stāvoklī. Ar šiem mērījumiem izrēķina berzes koef. un berzes koef. miera stāvoklī. Šos mērījumus pieraksta tabulās.

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