Trabalho e potencia
Quiz
•
Physics
•
11th - 12th Grade
•
Practice Problem
•
Hard
Prof. JHERMS
Used 24+ times
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11 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Qual a unidade do Trabalho de uma força?
Watts
Joule
Joule/segundo
Newton
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Uma força de 200N desloca um armário em 4m.Qual o trabalho desta força?
80 J
800 J
50 J
204 J
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Quando um corpo sobe, o peso realiza um trabalho...
Negativo
Positivo
Nulo
Indiferente
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Sendo F = 20N, d = 5m e cosθ = 0,6, qual o trabalho da força F ?
6 J
60 J
10 J
100 J
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
0,04km equivale a quantos metros?
4m
40m
400m
4000m
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Um guindaste ergue um corpo de 500kg até uma altura de 4m em 5s. Qual a potencia média do guidaste?
4000 W
400 W
500 W
5000 W
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A unidade W(watts) é equivalente a:
J
J/s
N/s
s/J
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