Energia mecanică
Quiz
•
Science
•
7th Grade
•
Practice Problem
•
Medium
CARMEN TCACI
Used 4+ times
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16 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Ce tip de energie are legătură cu mișcarea corpurilor?
potențială
cinetică
electrică
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce tip de energie are skater-ul din imagine?
cinetică
potențială
elastică
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dacă Johnny accelerează,
energia cinetică a mașinii crește
energia potențială a mașinii crește
energia cinetică a mașinii scade
energia potențială a mașinii scade
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Față de mașină, Johnny are o energie cinetică:
egală cu a mașinii
mai mică decât a mașinii
zero
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dacă masa mașinii este de 1 tonă, când ea se deplasează cu 72 Km/h are o energie cinetică de:
200 J
200 KJ
36 KJ
400 KJ
6.
DRAW QUESTION
1 min • 1 pt
Încercuiește un punct pe traiectorie în care skater-ul are atât energie cinetică cât și energie potențială față de cel mai de jos punct al traiectoriei.
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Putem crește energia potențială gravitațională a unui corp
prin creșterea masei corpului
prin creșterea înălțimii la care se află
prin scăderea înălțimii la care se află corpul
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