Rad, snaga, energija

Rad, snaga, energija

9th Grade

25 Qs

quiz-placeholder

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Rad, snaga, energija

Rad, snaga, energija

Assessment

Quiz

Physics

9th Grade

Practice Problem

Medium

Created by

Gordana Divić

Used 26+ times

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25 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

15 mins • 1 pt

Rad ...

(više točnih odgovora)

je djelovanje sile na nekom putu

govori o djelovanju sile tijekom nekog vremena

odgovara promjeni energije

je snaga u jedinici vremena

2.

MULTIPLE SELECT QUESTION

15 mins • 1 pt

Rad označavamo slovom:

E

P

Q

W

3.

MULTIPLE SELECT QUESTION

15 mins • 1 pt

Snagu označavamo slovom:

P

W

F

J

4.

MULTIPLE SELECT QUESTION

15 mins • 1 pt

Snagu mjerimo u:

W

P

J

N

5.

MULTIPLE SELECT QUESTION

15 mins • 1 pt

Mehaničku energiju dijelimo na:

kinetičku i gravitacijsku potencijalnu energiju

kinetičku i elastičnu potencijalnu energiju

kinetičku i potencijalnu energiju

elastičnu potencijalnu i gravitacijsku potencijalnu energiju

6.

MULTIPLE SELECT QUESTION

15 mins • 1 pt

Kinetičku energiju imaju tijela koja:

se nalaze na nekoj udaljenosti od tla

vise na elastičnoj oprugi

miruju

se gibaju

7.

MULTIPLE SELECT QUESTION

15 mins • 1 pt

Kinetičku energiju računamo prema formuli:

Ek=mghE_k=mgh

Ek=mv22E_k=\frac{mv^2}{2}

Ek=kx22E_k=\frac{kx^2}{2}

Ek=P tE_k=P\ t

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