gravitaçao E fluidostatica

Quiz
•
Physics
•
University
•
Medium
Prof. JHERMS
Used 3+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Qual a unidade correta para a constante de gravitação G, no SI?
N.kg²/m²
N.m²/kg²
N.m².kg²
kg²/N.m²
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A Fg :
É Atrativa
É Repulsiva
É nula
Atua somente entre planetas
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Qual a fórmula para a Fg?
G.M.m/d²
G/M.m.d²
G.M.m.d²
G.M/R²
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Segundo a história da Gravitação, qual pessoa foi a primeira a pensar sobre o Heliocentrismo?
Aristarco de Samos
Aristóteles
Ptolomeu
Nicolau Copérnico
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A força gravitacional entre dois planetas vale F. Se diminuirmos a distância para metade, qual a nova força F'?
2F
4F
F/2
F/4
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Se F1 = 50N, F2 = 200N e A1 = 2m²,
qual o valor de A2?
4m²
8m²
1m²
25m²
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Um mergulhador esta´em uma profundidade de 20m. Qual a pressão hidrostática sobre ele?
20.000 Pa
200.000 Pa
200 Pa
2000 Pa
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