Lucrul mecanic, puterea mecanică, randamentul, energia
Quiz
•
Physics
•
7th Grade
•
Hard
Tunde Lakatos
Used 107+ times
FREE Resource
30 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
0 sec • 1 pt
Unitatea de măsură în S.I. pentru lucrul mecanic se numește:
joule
newton
pascal
watt
2.
MULTIPLE CHOICE QUESTION
0 sec • 1 pt
Puterea mecanică și lucrul mecanic sunt mărimi:
scalare
scalară, respectiv vectorială
vectoriale
vectorială, respectiv scalară
3.
MULTIPLE CHOICE QUESTION
0 sec • 1 pt
Lucrul mecanic efectuat în unitatea de timp se numește:
energie
efort
potențial
putere
4.
MULTIPLE CHOICE QUESTION
0 sec • 1 pt
Unitatea de măsură în S.I. pentru puterea mecanică se numește:
joule
newton
pascal
watt
5.
MULTIPLE CHOICE QUESTION
0 sec • 1 pt
Formula de calcul pentru lucru mecanic este:
L = F⋅v
L = F⋅d
L = m⋅g
6.
MULTIPLE CHOICE QUESTION
0 sec • 1 pt
În care din situaţiile de mai jos se efectuează lucru mecanic?
Un om merge pe bicicletă.
Un elev urmăreşte o lecţie pe YouTube.
Un camion stă în parcare.
7.
MULTIPLE SELECT QUESTION
0 sec • 1 pt
Bunicul efectueaza lucrul mecanic in situatiile:
coboara ochelarii de pe nas pe masa
tine ochelarii pe nas
ridica ochelarii de pe nas
tine ochelarii in mana necalintita
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