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Parghia

Authored by Valerica Bobb

Physics

7th Grade

Used 34+ times

Parghia
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8 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

Pârghia din imagine este de gradul

I

II

III

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

Pârghia din imagine este de gradul

I

II

III

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

Pârghia din imagine este de gradul

I

II

III

4.

OPEN ENDED QUESTION

2 mins • Ungraded

Condiţia pentru echilbrul de rotaţie este:

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5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Forţa care trebuie ȋnvinsă la pârghie se numește


Forţă activă

Forţă rezistentă

Forţă de tracţiune

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ranga, hârleţul și foarfecele sunt pârghii de genul

I

II

III

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Legea pârghiilor este

FR=bFbR\frac{F}{R}=\frac{b_F}{b_R}

FR=bRbF\frac{F}{R}=\frac{b_R}{bF}

RF=bRbF\frac{R}{F}=\frac{b_R}{b_F}

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