
mechaninė energija
Quiz
•
Physical Ed
•
1st Grade
•
Hard

Edita Bardauskaitė
Used 21+ times
FREE Resource
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15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kuriuo atveju atliekamas mechaninis darbas?
Vyrai stumia sunkų seifą ir nepajudina iš vietos
berniukas lipa į medį
žmogus rankoje laiko plytą
mokinys sėdi suole
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4 kg masės kūnas 30N jėga keliamas į 5 m aukštį. Kam lygus kėlimo metu atliktas darbas?
0 J
50 J
100 J
150 J
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5 t masės krovinį į 10 m aukštį kranas tolygiai pakelia per 25 s. Kokia krano galia?
200 kW
20kW
2 kW
0,2 kW
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kuris kūnas neturi potencinės energijos žemės atžvilgiu?
Sklendžiantis sklandytuvas
pakelėje gulintis akmuo
prie namo stogo prišalęs varveklis
prie krepšinio lentos įstrigęs kamuolys
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2 kg masės kūnas keliamas žemės paviršiaus atžvilgiu. Kam lygi šio kūno potencinė energija 2 m aukštyje?
10 J
20 J
40 J
100 J
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Akmuo metamas vertikaliai į viršų. Išmetimo metu jo kinetinė energija lygi 30 J. Kokia jo potencinė energija aukščiausiame pakilimo taške?
0 J
15 J
30 J
300 J
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2 g masės kolibris gali skristi 50 m/s greičiu. Kokiu tuo metu jo kinetinė energija?
100 J
25 J
10 J
2,5 J
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