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Lucrul mecanic si puterea mecanica

Authored by Giurgea Gabriela

Physics

7th Grade

Used 84+ times

Lucrul mecanic si puterea mecanica
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10 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Lucrul mecanic se noteaza cu:

Lmec

L

l

2.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Expresia lucrului mecanic este:

L = F/d

L = F*d

L = G*h

L = G/h

3.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Lucrul mecanic este o marime fizica:

scalara

vectoriala

4.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Puterea mecanica este o marime fizica:

scalara

vectoriala

derivata

5.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Puterea mecanica are expresia:

P = L*Δt

P = F*v

P = L/Δt

P = F/v

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Unitaea de masura a puterii in SI este:

W

CP

J

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Un CP are:

7360W

736W

73,6W

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