Mărimea fizică ce caracterizeză efortul făcut de o forţă pentru a deplasa un corp pe o anumită distanţă se numeşte lucru mecanic?

L,P, E

Quiz
•
Physics
•
8th Grade
•
Easy
Olesea Ursu
Used 2+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Da
Nu
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Lucrul mecanic efectuat de o forţă constantă ce acţionează pe direcţia şi în sens opus deplasării este o mărime fizică scalară?
Adevărat
Fals
3.
FILL IN THE BLANK QUESTION
20 sec • 3 pts
Expresia matematică a lucrului mecanic este:
4.
DROPDOWN QUESTION
20 sec • 2 pts
Unitatea de măsură pentru lucrul mecanic este (a) și (b)
5.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Dacă rezultanta forţelor care acţionează asupra unui corp este egală cu zero, atunci lucrul mecanic total este
6.
FILL IN THE BLANK QUESTION
20 sec • 1 pt
Răzvan şi Bogdan aleargă pe distanţa de . Crezi că Răzvan are putere mai mare, dacă el trece primul linia de sosire?
7.
FILL IN THE BLANK QUESTION
10 sec • 1 pt
Unitatea de măsură pentru putere în Sistemul Internaţional este:
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