Un fastidioso trabajador empuja directamente con sus manos un trapeador con una fuerza ⃗. El mango del trapeador forma un ángulo con la dirección vertical, y el y son los coeficientes de fricción estáticos y cinéticos entre la mecha del trapeador y el piso. No tome en cuenta la masa del mango y asuma que la masa de la mecha es m. Si el trabajador trapea el piso con velocidad constante, ¿Cuál es el valor de la fuerza ⃗ ?
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Un fastidioso trabajador empuja directamente con sus manos un trapeador con una fuerza ⃗. El mango d...
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