Statika

Quiz
•
Science
•
9th - 12th Grade
•
Hard

Klara Štavdekar
Used 2+ times
FREE Resource
7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
¨Pospešek telesa je premo sorazmeren z rezultanto sil na telo in obratno sorazmeren z maso telesa.˝, je kateri Newtonov zakon?
1. Zakon- Zakon vztrajnosti
2. Zakon- Osnovni zakon mehanike
3. Zakon- Zakon o akciji in reakciji
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
1. Newtonov zakon je:
Če telo miruje ali se giblje premo enakomerno, nanj ne deluje nobena sila ali pa je vsota vseh sil, ki delujejo nanj enaka nič.
Pospešek telesa je premo sorazmeren z rezultanto sil na telo in obratno sorazmeren z maso telesa.
Če prvo telo deluje na drugo telo s silo, deluje to na prvo z enako veliko, a nasprotno usmerjeno silo (akcija reakcija).
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kaj je princip o ravnotežnem paru sil?
Dve sili enakih velikosti, ki sta nasprotno usmerjeni, ter ležita na isti premici sta v statičnem ravnovesju.
Sta dve sili, ki delujeta v isto smer.
Sta dve različno veliki sili, ki delujeta v dve različni smeri.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kaj pomeni princip o paralelogramu sil?
Da bomo imeli štiri sile.
Da se pogoji ravnotežja ali gibanja na togem telesu ne spremenijo, če silo, ki deluje na telo v neki točki, prestavimo v drugo točko (ki leži na isti premici kot prvotna sila).
Da lahko dve sili, ki delujeta na točko, nadomestimo z eno samo- rezultanto, ki je enaka diagonali paralelograma.
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Kaj je sila?
Sila je seštevek mase in teže.
Sila je vektor, ki je podana z velikostjo, prijemališčem in smerjo.
F=m*a
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kako se glasi Pitagorov izrek?
c2= a2 + b2
c2= a * b
a = b + c
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kaj je mehanika?
Mehanika je veja znanosti, ki ugotavlja in opisuje pogoje mirovanja ali gibanja telesa
Mehanika opisuje Newtonovo življenjsko delo.
Mehanika se ukvarja s togimi telesi.
Mehanika preučuje Einsteinovo delo in Newtonovo delo.
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