Problemas de Mecanismos: palanca, rueda y sistemas transmisión
9th - 12th Grade
•10 Qs
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Problemas de Mecanismos: palanca, rueda y sistemas transmisión
Quiz
•
Instructional Technology
•
9th - 12th Grade
•
Hard
Simón Berges
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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Calcula el valor de la Fuerza (F) que será necesario aplicar para vencer la resistencia (R)
0,001N
100N
1000m
1KN
100
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Calcula el valor de la Fuerza (F) que será necesario aplicar para vencer la resistencia (R)
0,001N
100N
4000N
4Km
400
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
El elefante pesa 300kg y la longitud del brazo donde se apoya es de 50cm, la hormiga pesa 1g.¿Qué distancia debe tener el brazo q apoya la hormiga para levantar al elefante .
1,5m
15000000m
15m
150Km
15000cm
4.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
Problema de la Rueda:
Calcula la longitud de cuerda que recoge un torno al dar una vuelta si
tiene 0,25m de radio.
Responda en centímetros. Use dos decimales tan solo en cada cálculo.
Escriba la cantidad con su unidad y sin punto al final.
P.ej: 5678cm
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Si una rueda tiene una velocidad de rotación de 50rpm y gira durante
120 segundos, ¿cuántas vueltas habrá dado?
50prm
100rpm
100vueltas
1000vueltas
10
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Indica cuál es la velocidad de la polea 2 sabiendo que
la polea 1 gira a 2500rpm
y que los diámetros de cada polea son: d1 = 20 mm, d2 = 40 mm.
n2 es el doble de n1: 5000rpm
5000 vueltas
1250 vueltas
1250rpm: La mitad que n1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcula la relación de transmisión e indica si el sistema es
reductor o multiplicador.
i=64/16
Reductor
i=64/16
Elevador
i=16/64
Reductor
i=16/64
Elevador
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