416
II-
RESUELVE LOS SIGUIENTES PLANTEAMIENTOS SIGUIENDO LOS
PASOS DE POLYA.
1- La fuerza resultante que mueve un acoplado de un móvil es de 600 N. que
lo desplaza por 20 m. ¿Cuál es el trabajo mecánico electuado por la fuerm
resultante?
DATOS - INCÓGNITA
FORMULA
SOLUCIÓN​

Answers

Answer 1

Answer:

El trabajo mecánico efectuado por la fuerza resultante es 12000 joules.

Explanation:

Asumamos que la fuerza resultante del móvil es paralela a la dirección del mismo y que es constante en el tiempo. En consecuencia, tenemos la siguiente expresión por la definición de trabajo:

[tex]W = F\cdot s[/tex] (1)

Donde:

[tex]W[/tex] - El trabajo experimentado por el móvil, en joules.

[tex]F[/tex] - Fuerza resultante del móvil, en newtons.

[tex]s[/tex] - Distancia recorrida por el móvil, en metros.

Si sabemos que [tex]F = 600\,N[/tex] y [tex]s = 20\,m[/tex], entonces tenemos que el trabajo efectuado por la fuerza resultante es:

[tex]W = (600\,N)\cdot (20\,m)[/tex]

[tex]W = 12000\,J[/tex]

El trabajo mecánico efectuado por la fuerza resultante es 12000 joules.


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