Lucru mecanic, puterea mecanică, energia mecanică
Flashcard
•
Physics
•
7th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Ce este lucrul mecanic?
Back
Lucrul mecanic este produsul forței aplicate asupra unui corp și a distanței pe care corpul o parcurge în direcția forței.
2.
FLASHCARD QUESTION
Front
Formula pentru calcularea lucrului mecanic.
Back
W = F * d, unde W este lucrul mecanic, F este forța și d este distanța.
3.
FLASHCARD QUESTION
Front
Ce reprezintă puterea mecanică?
Back
Puterea mecanică este rata la care se efectuează lucrul mecanic, exprimată în wați (W).
4.
FLASHCARD QUESTION
Front
Formula pentru calcularea puterii mecanice.
Back
P = W / t, unde P este puterea, W este lucrul mecanic și t este timpul.
5.
FLASHCARD QUESTION
Front
Ce este energia mecanică?
Back
Energia mecanică este suma energiei cinetice și a energiei potențiale a unui sistem.
6.
FLASHCARD QUESTION
Front
Ce este energia cinetică?
Back
Energia cinetică este energia pe care o are un corp datorită mișcării sale.
7.
FLASHCARD QUESTION
Front
Formula pentru calcularea energiei cinetice.
Back
Ec = 1/2 * m * v^2, unde Ec este energia cinetică, m este masa și v este viteza.
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