
Maquinas
Authored by Abner Cruz
Physics
12th Grade
Used 3+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Las maquinas nos ayudan a cambiar la
Magitud de la fuerza
Dirección de la fuerza
Dos son correctas
Ninguna de las anteriores
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Existen 5 maquinas simples
Verdadero
Falso
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Se utiliza una palanca para levantar una piedra con una fuerza aplicada de 520N. Si la palanca ejerce una fuerza de 900N, ¿Cuál es la ventaja mecanica de la palanca?
0.58
1.73
46,000
29
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Si una maquina realiza un trabajo de entrada de 1,065J y un trabajo de salida de 930J. Encuentra la eficiencia de dicha maquina.
87%
0.87
1.14
114%
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Se utiliza una carretilla para mover unos bloques de cemento de 1,409N de peso a unos 11m de distancia. La carretilla aplica un trabajo de 12,000J. ¿Cuál es la eficiencia de la carretilla?
1.29
0.77
77%
129%
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