APLICACIÓN DE LAS LEYES DE NEWTON
Quiz
•
Physics
•
1st - 12th Grade
•
Practice Problem
•
Hard
Cristian Muñoz
Used 11+ times
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5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Cual es la fuerza horizontal que se requiere para mover una caja de 50 kg con velocidad constante, si se conoce que el coeficiente de fricción es de 0,2 y una gravedad de 10m/s^2
100
200
50
500
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Encontrar el valor de la fricción, de un basurero de masa 38kg que se desliza por un piso con coeficiente de rozamiento: μc=0,1 y μe=0,5 Considere una gravedad de 10 m/s^2
190 N
38 N
76 N
19 N
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Una caja con masa de 10 kg se le aplica una fuerza horizontal F=40N si el coeficiente de rozamiento es 0.1 calcular la aceleración si se tiene una gravedad de 10 m/s^2
3 m/s^2
6 m/s^2
9 m/s^2
10 m/s^2
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Un limpiador empuja un carrito de lavandería de 4,80kg de tal manera que la fuerza sobre el es 60,0 N calcule la magnitud de su aceleración
20.5 m/s^2
0.25 m/s^2
2.5 m/s^2
12.5 m/s^2
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Un electrodoméstico de masa 500 kg, sube por un plano inclinado con rapidez constante, como se muestra en la fig. si el coeficiente de rozamiento es de
1/√3 = (0,58). Determine la fuerza que se necesita para subir dicho electrodoméstico.
50N
500N
5000 N
5N
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