test lucru mecanic
Authored by Camelia Stefanescu
Physics
7th Grade
Used 2+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Unitatea de măsură pentru lucrul mecanic este:
N
J
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Formula puterii este:
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2000J
200J
1000 J
0
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Completează spțiile punctate. Formula lucrului mecanic este......................
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
În sistemul internațional unitatea de măsură pentru puterea este.........
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Formula randamentului este..................
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
La următoarea problemă se cere rezolvarea completă: Calculați randamentul unui motor știind că lucurul mecanic consumat este de 60J iar lucrul mecanic until reprezintă 45% din lucrul mecanic consumat.
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