Nakon prestanka djelovanja sile, elastična tijela vraćaju se u prvotni
Elastična sila

Quiz
•
Physics
•
7th Grade
•
Medium

Hana Štimac
Used 11+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
smjer
orijentaciju
položaj
pravac
2.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Koje je orijentacije elastična sila u odnosu na silu koja rasteže tijelo?
Iste orijentacije
Suprotne orijentacije
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kada se sila poveća 4 puta koliko je puta veće produljenje opruge?
1 put
2 puta
3 puta
4 puta
4.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Količnik sile koja djeluje na oprugu i produljenja opruge naziva se:
sila teža
konstanta elastičnosti opruge
elastična sila
ubrzanje sile teže
5.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
Na dinamometar je ovješen uteg od 7N. Vrijednost jednog podjeljka je 0,5N. Koliko ćete podjeljaka izbrojiti?
7
10
12
14
6.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Dinamometar ima ljestvicu na kojoj svaki podjeljak pokazuje 0,2N. Nakon što ste ovjesili uteg na dinamometar, izbrojili ste 5 podjeljaka. Kolikom silom djeluje uteg na dinamometar?
5 N
10 N
3 N
1 N
7.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
Opruga A ima konstantu k1=20N/m, a opruga B ima konstantu k2=40N/m. Koja opruga će se više produljiti kada na nju objesimo uteg jednake mase?
Opruga A
Opruga B
produljit će se jednako
8.
FILL IN THE BLANK QUESTION
1 min • 4 pts
Pomoću grafa odgovori na pitanja.
a) Kolikom silom moramo djelovati da bi produljenje opruge bilo 20 cm?
U odgovor upiši a) brojčanu vrijednost i mjernu jedinicu!
b) Ako djelujemo silom od 5 N, koliko će biti produljenje opruge?
U odgovor upiši b) brojčanu vrijednost i mjernu jedinicu!
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