Cap. 13 La Fuerza y el Trabajo
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| fuerza | Se produce cuando empujamos, halamos o levantamos un cuerpo.
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| máquina | Al utilizarla, se realiza el trabajo con menos esfuerzo.
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| fricción | Fuerza que reduce la motilidad de un objeto.
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| tensión | Ocurre al colgar un objeto de la pared.
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| fuerza motriz | Ocurre cuando se le aplica fuerza a un cuerpo y recorre una distancia.
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| magnética | La fuerza que ejerce un imán sobre algunos objetos.
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| cuña | Se obtiene al unir dos planos inclinados.
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| polea | Rueda que gira alrededor de un eje.
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| fulcro | Punto de apoyo de una palanca.
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| tornillo | Al utilizarlo, se disminuye el esfuerzo.
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| máquina compuesta | Se obtiene al unir dos máquinas simples o más.
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| palanca | Sólo poseen un punto de apoyo.
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