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LUCRUL MECANIC

Authored by Licu Stana

Physics

Professional Development

Used 7+ times

LUCRUL MECANIC
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7 questions

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1.

MULTIPLE SELECT QUESTION

1 min • 1 pt

LUCRUL MECANIC EFECTUAT DE O FORTA ESTE POZITIV DACA:

corpul se deplaseaza pe directia fortei

corpul se deplaseaza pe directia si in sensul fortei

in sensul fortei

sta pe loc

2.

MULTIPLE SELECT QUESTION

2 mins • Ungraded

Media Image

UN SPORTIV RIDICA UNIFORM O HALTERA CU MASA DE 140 KG LA INALTIMEA DE 2 M.

LUCRUL MECANIC AL GREUTATII HALTEREI IN DECURSUL MISCARII ESTE DE :

1200 J

-2800J

1400J

0J

-1200 J

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Fx si Ff

G si N

G si Fy

Fy si N

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

RELATIA  MATEMATICA PENTRU LUCRUL MECANIC ESTE:

F Δ××\Delta\times\times

F ×\times Δ\Delta d

F* Δ\Delta d cos α\alpha

F*v

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Unitatea de măsură în S.I. pentru lucrul mecanic se numește:

joule

newton

pascal

watt

6.

OPEN ENDED QUESTION

2 mins • Ungraded

Media Image

De cine depinde lucrul mecanic efectuat de renii care trag aceasta sanie?

Evaluate responses using AI:

OFF

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

UNITATEA DE MASURA PENTRU LUCRUL MECANIC IN S.I.ESTE:

JOULE

WATT

NEWTON

PASCAL

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