Tecnología tercero 9 de julio 31/10
Quiz
•
Instructional Technology
•
9th Grade
•
Hard
luis olivera
Used 3+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Que tipo de palanca es ?
primer grado
segundo grado
tercer grado
quinto grado
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
¿Qué imagen representa una palanca de tercer grado?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si necesito calcular la fuerza a realizar en una palanca de segundo grado ¿que formula es la indicada?
F. dr=R . df
F=df .R. dr
F=df /R. dr
F=R. dr/df
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
si necesito calcular la distancia entre el punto de apoyo y la resistencia ¿qué formula usaría ?
ds . R=df .F
R . F=dr .df
df. R . F= dr
dr=(df . F) / R
dr=(df . R) / F
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿cúal es el resultado de F ?
30 N
20 N
60 N
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
si el valor de P(resistencia) es igual a 250 kg a cuanto equivale la fuerza que tendríamos que realizar
31,25 kg
41,6
62,5
15,6
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
si la rueda conductora es el engranaje mas pequeña, que efecto produce al engranaje de mayor tamaño.
efecto reductor
efecto multiplicador
ningun efecto
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