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Njutnovi zakoni

Authored by Aleksandar Jevtić

Physics

7th Grade

Used 4+ times

Njutnovi zakoni
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8 questions

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1.

MULTIPLE SELECT QUESTION

10 sec • 1 pt

Ravnomerno pravolinijsko kretanje je karakteristicno za:

Prvi Njutnov zakon

Drugi Njutnov zakon

Treci Njutnov zakon

2.

MULTIPLE SELECT QUESTION

10 sec • 1 pt

Ravnomerno promenljivo pravolinijsko kretanje karakteristicno je za:

Prvi Njutnov zakon

Drugi Njutnov zakon

Treci Njutnov zakon

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Veličina koja nam pokazuje koliko se brzina promeni u jedinici vremena je:

promena brzine

ubrzanje

sila

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Jedinica za ubrzanje je:

m/s

m2/s2

m/s2

5.

MULTIPLE SELECT QUESTION

20 sec • 1 pt

Koja od ponudjenih formula je karakteristicna za Drugi Njutnov zakon:

 a=Fma=\frac{F}{m}  

 v=stv=\frac{s}{t}  

 v=aΔtv=a\cdot\Delta t  

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Jedinica za silu njutn izražena u osnovnim jedinicama SI sistema je:

N=kg x m/s2

N=kg x m/s

N=kg x m2/m2

7.

MULTIPLE SELECT QUESTION

20 sec • 1 pt

Ako ucenik deluje na podlogu silom od 500N, onda podloga na njega deluje silom od:

50N

250N

500N

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