PALANCAS Y POLEAS
Quiz
•
Instructional Technology
•
8th Grade
•
Practice Problem
•
Hard
Manuel VB
Used 46+ times
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8 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Calcular el valor de la fuerza minima para elevar la botella de butano que pesa 240 KG..
80kg
70kg
100kg
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Calcular la fuerza mínima que hay que hacer para elevar el peso de 240Kg.
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Calcular la fuerza mínima que hay que hacer para elevar el peso de 300Kg.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Establece la ley de la palanca según corresponda a la figura:
R*b=F*a
R*b<F*a
R*b>F*a
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Qué esfuerzo será necesario para compensar la carga en el sistema de poleas de la figura.
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
A una polea móvil le aplicamos una fuerza de 120 kg ¿Cuál es el valor de la carga que podremos levantar.
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
A una polea fija le aplicamos una fuerza de 30 kg ¿Cuál es el valor de la carga que podremos levantar.
8.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Una empresa dispone de tres operarios, el A puede realizar una fuerza de 20kg, el B de 30kg, y el C de 40kg,. A cuál de los tres enviará a levantar la carretilla de 100 kg.
A
B
C
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