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Physics, 05.10.2019 05:50 Udfhut7500

Una esfera homogénea de radio r y peso w resbala en un piso bajo la acción de una fuerza horizontal constante p aplicada a una cuerda, como se muestra en la fig. 1. (a) demostrar que, si ? es el coeficiente de rozamiento entre la esfera y el piso, la altura h está dada por h = r (1 – ? w/p). (b) demostrar que la esfera no se encuentra en equilibrio de traslación bajo estas circunstancias. (c) si se escoge un valor diferente de h, ? se puede lograr que la esfera se encuentre tanto en equilibrio de rotación como de traslación? ? y si se escoge una dirección diferente para p? dar una explicación de lo que ocurre.

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Una esfera homogénea de radio r y peso w resbala en un piso bajo la acción de una fuerza horizontal...
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