martes, 3 de julio de 2007

Poleas fijas y móviles.

Ahora que estamos de vacaciones, un vídeo sencillito. He encontrado estos dibujos animados sobre física y me han parecido muy buenos. Os pongo uno sobre poleas fijas y móviles, creo que se entiende bastante bien el concepto de ventaja mecánica, está en inglés pero es fácil de seguir.

43 comentarios:

Antonio Azuaga dijo...

Hasta yo lo he seguido. Además, resulta evidente otra cosa: el hombre básicamente piensa en “fuerza bruta” (“trabajo” animal); la mujer, en “fuerza eficaz” (“trabajo” racional). Nos dejas dos lecciones pues: una de física y otra de antropología.

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