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Tlak, síla

Authored by Michal Zedník

Physics

7th Grade

Used 39+ times

Tlak, síla
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12 questions

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1.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

30 kN =

300 N

0,3 N

30 000 N

3 000 N

2.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

50 000 Pa =

50 000 000 kPa

50 kPa

500 kPa

5 000 kPa

3.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

500 N =

0,5 kN

0,000 5 kN

5 000 kN

500 000 kN

4.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

360 000 Pa

360 MPa

36 MPa

3,6 MPa

0,36 MPa

5.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Hydrostatický tlak se vypočítá podle vzorce:

p=hρgp=h\cdot\rho\cdot g

p = Fhp\ =\ F\cdot h

p=Fhρgp=F\cdot h\cdot\rho\cdot g

p= Sρgp=\ S\cdot\rho\cdot g

6.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Hydrostatická tlaková síla se vypočítá podle vzorce:

Fh=hρgF_h=h\cdot\rho\cdot g

Fh=mghF_h=m\cdot g\cdot h

Fh=pSF_h=\frac{p}{S}

Fh=ShρgF_h=S\cdot h\cdot\rho\cdot g

7.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

90 000 000 Pa =

90 kPa

90 000 kPa

9 kPa

900 kPa

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