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Engineering, 23.04.2021 15:30 maleyaden

El bloque de 10 kg está sujeto a la acción de una fuerza que tiene la dirección constante que se indica y una magnitud F = 250(1+x) N, en donde x se mide en metros. Si el coeficiente de fricción cinética entre el bloque y la superficie horizontal es = . , determine: a) el trabajo efectuado por todas las fuerzas que actúan en el bloque durante un movimiento desde A a B. b) Si el bloque parte del reposo en el punto A, determine su velocidad en el punto B utilizando la ecuación de movimiento (2da. Ley de Newton). c) Verifique la velocidad obtenida en b) a través de la ecuación del trabajo y la Energía Cinética. d) Explique de forma breve las diferencias entre los dos métodos utilizados para encontrar la velocidad, desde el punto de vista de el volumen de cálculos

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