1ere partie: Etude énergétiques
Authored by e castelli
Physics
1st Grade
Used 1+ times
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7 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
L'énergie cinétique est liée à:
la masse
la hauteur
la vitesse
le poids
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ec=
=mxv²
=1/2xmxv²
=1/2xmxv
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
WAB(F)=
ABxF
ABxFxsin (alpha)
ABxFxcos(alpha)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si W>0, W est:
moteur
nul
résistant
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si W<0, W est:
moteur
nul
résistant
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La variation d'énergie cinétique est égale:
à la somme des travaux des forces
à 0
à la somme des énergies
7.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
L'unité du travail est:
(a)
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