
Utjevanje snovi - Tlak in vzgon
Authored by Nani Vasiljević
Physics
9th Grade
Used 17+ times

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15 questions
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1.
OPEN ENDED QUESTION
3 mins • Ungraded
Zakaj imajo otroci, ki ne znajo plavati, pri plavanju v globoki vodi na rokah napihnjene rokavčke?
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2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Telo s prostornino 3,5 dm³ je v celoti potopljeno v vodi. Kolikšen je vzgon na telo?
3,5N
35N
350N
35000N
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
V vodi so tri kocke. Kocka A lebdi, kocka B plava, kocka C pa je obešena na vrvici. Na katero telo deluje največja sila vzgona?
A
B
C
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Kolikšen tlak povzroča človek z maso 60kg na tla, ko stoji z obema nogama na tleh? Velikost njegovega stopala je 200cm2 ?
0,15 bar
1,5 bar
1500 bar
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oznaka količine tlak je Pa .
Drži.
Ne drži.
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Ustrezno pretvori enote za tlak.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tlak v podlagi je obratno sorazmeren s silo, ki pritiska na podlago, in premo sorazmeren s stično površino.
Da
Ne
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