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Physics, 09.09.2021 21:00 hellicuh

Para subir una caja de 90 kg a cierta altura, un hombre utiliza como a rampa un plano inclinado de 40° con respecto a la horizontal, y ejerce una fuerza de 600N. Si el hombre desplaza la caja una distancia de 6 m en 7 segundos y el coeficiente de rozamiento entre la caja y el plano es 0,3; determinar: a. La fuerza neta que actúa sobre la caja.
b. El trabajo realizado por la fuerza neta.
c. El trabajo realizado por cada una de las fuerzas que actúan sobre el objeto.
d. El trabajo neto realizado sobre la caja.
e. La potencia del sistema debido a la fuerza neta.

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Para subir una caja de 90 kg a cierta altura, un hombre utiliza como a rampa un plano inclinado de 4...

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