Uređaj za mjerenje tlaka zove se

1a-teorija od centripetalne sile do rada

Quiz
•
Physics
•
9th Grade
•
Hard
Anita Zorčić
Used 2+ times
FREE Resource
10 questions
Show all answers
1.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Udvostručimo li brzinu tijela a polumjer kružnice po kojoj se tijelo giba povećamo 4 puta što će se dogoditi s centripetalnom silom:
povećati će se 4 puta
povećati će se 2 puta
neće se promijeniti
smanjiti će se 2 puta
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Broj okretaja u jedinici vremena zovemo :
period
brzina
centripetalna akceleracija
frekvencija
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
100 Pa izraženo u mjernoj jedinici Bar je:
0,1 Bar
0,01 Bar
0, 001 Bar
0,0001 Bar
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
u kakvom su međusobnom odnosu gustoće tijela i tekućine kada tijelo lebdi:
Gustoća tijela veća je od gustoće tekućine
Gustoća tijela manja je od gustoće tekućine
Gustoća tijela jednaka je gustoći tekućine
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Porastom dubine hidraulički tlak :
se ne mijenja
smanjuje se
raste
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Aluminijsku i olovnu kugli jednakih volumena uronimo u vodu :
uzgon na olovnu kuglu je veći od uzgona na aluminijsku kuglu
uzgon na olovnu kuglu je manji od uzgona na aluminijsku kuglu
uzgon na olovnu kuglu jednak je uzgonu na aluminijsku kuglu
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