Koji izraz predstavlja drugi Njutnov zakon?

Dinamika

Quiz
•
Physics
•
9th Grade
•
Medium
Marija Dacic
Used 9+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
10 sec • 2 pts
2.
MULTIPLE CHOICE QUESTION
10 sec • 2 pts
Kako se definiše snaga u fizici?
Snaga je definisana kao proizvod mase i brzine tela.
Snaga je količina energije koju telo ima.
Snaga je definisana kao brzina kojom se vrši rad.
Snaga je jednaka proizvodu inteziteta sile i puta koje telo predje.
3.
MULTIPLE CHOICE QUESTION
10 sec • 2 pts
Koja je formula za kinetičku energiju tačna?
4.
MULTIPLE CHOICE QUESTION
10 sec • 2 pts
Koji oblik mehaničke energije zavisi od brzine tela?
Potencijalna energija.
Unutrašnja energija
Toplotna energija
Kinetička energija
5.
MULTIPLE CHOICE QUESTION
10 sec • 2 pts
Merna jedinica za snagu po SI sistemu je volt.
Tačno.
Nije tačno.
6.
MULTIPLE CHOICE QUESTION
10 sec • 2 pts
Impuls tela je fizička veličina koja je odredjena proizvodom mase i brzine tela.
Tačno.
Nije tačno.
7.
MULTIPLE CHOICE QUESTION
10 sec • 2 pts
Kako se menja kinetička energija tela ako mu se brzina dvostruko poveća?
Kinetička energija se poveća dva puta.
Kinetička energija se smanji četiri puta.
Kinetička energija se poveća četiri puta.
Kinetička energija ostaje ista.
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