Kolika je sila trenja između sanduka težine 450 N i poda? Faktor trenja između sanduka i poda iznosi 0.2.
Međudjelovanje i sila

Quiz
•
Physics
•
7th Grade
•
Easy
Used 9+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
F = 900 N
Ftr = 90 N
F = 90 n
f = 9 000 kg
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Što je sila?
Fizikalna promjena.
Kemijska promjena.
Fizikalna promjena kojom opisujemo djelovanje tijela.
Fizikalna veličina kojom opisujemo djelovanje jednog tijela na drugo tijelo.
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Gdje se nalazi težište tijela?
Na vrhu tijela.
U sjecištu težišnica.
Na lijevoj strani tijela.
Na desnoj strani tijela.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kojim tlakom skijaš težine 800 N dijeluje na pod površine 20 cm2?
p = 400 000 Pa
p = 16 000 Pa
p = 400 000 PA
p = 400 000 pA
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Mario i Denis povlače uže. Mario vuče jedan kraj užeta silom F1, a Denis drugi kraj silom F2. Marieva sila iznosi 567 N, a Denisova 365 N. Kolika je rezultanta sila?
r = 202 N
R = 202 kg
R = 202 N
r = 202.5 N
6.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Koje sve vrste ravnoteža poznajemo?
Indifirentna.
Indiferentna.
Stabilna.
Labilna.
7.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Što od navedenog možemo reći za težinu?
Mjeri tromost tijela.
Nepromjenjiva.
Ovisi o mjestu gdje se tijelo nalazi.
Vektorska veličina.
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