Quiz sur l'Énergétique

Quiz
•
Other
•
9th Grade
•
Hard

Quentin DAURIANNES
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quelle est l'unité du travail ?
Watt
Pascal
Newton
Joule
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quel type de travail est effectué lorsque W12 > 0 ?
Travail résistant
Travail potentiel
Travail moteur
Travail nul
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quelle est la formule de l'énergie cinétique ?
Ec = 1/2 k²
Ec = mgh
Ec = mv²
Ec = 1/2 mv²
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quelle est la formule de l'énergie potentielle de pesanteur ?
Ep = mgh
Ep = 1/2 k²
Ep = mv²
Ep = Fd
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quel est le rendement d'un mécanisme ?
P sortie / P entrée
P entrée / P sortie
P sortie + P entrée
P entrée - P sortie
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Comment se calcule la puissance développée par une force ?
P = Fd
P = F/v
P = F + v
P = F x v
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quelle est la relation entre puissance et travail ?
P = W x t
P = W + t
P = W - t
P = W/t
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