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      <title>Presentación by Álvaro José Mata Báez</title>
      <link>https://padlet.com/2023_149/jy5t0upe7ijnmq5l</link>
      <description></description>
      <language>en-us</language>
      <pubDate>2024-02-13 15:55:03 UTC</pubDate>
      <lastBuildDate>2024-03-08 11:23:16 UTC</lastBuildDate>
      <webMaster>hello@padlet.com</webMaster>
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      <item>
         <title>Palancas</title>
         <author>2023_149</author>
         <link>https://padlet.com/2023_149/jy5t0upe7ijnmq5l/wish/2882399852</link>
         <description><![CDATA[<p>Son barra rígidas que giran sobre un punto de apoyo (fulcro) el cual nos permite levantar pesos.</p>]]></description>
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         <pubDate>2024-02-13 16:04:24 UTC</pubDate>
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      <item>
         <title>Poleas</title>
         <author>2023_149</author>
         <link>https://padlet.com/2023_149/jy5t0upe7ijnmq5l/wish/2882401165</link>
         <description><![CDATA[<p>Ruedas con un hueco por el que se introduce una cuerda o correa, y nos permite gracias a esto levantar pesos.</p>]]></description>
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         <pubDate>2024-02-13 16:05:28 UTC</pubDate>
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      <item>
         <title>Palanca de primer grado</title>
         <author>2023_149</author>
         <link>https://padlet.com/2023_149/jy5t0upe7ijnmq5l/wish/2882404723</link>
         <description><![CDATA[<p>El punto de apoyo se encuentra entre la potencia y la resistencia.</p>]]></description>
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         <pubDate>2024-02-13 16:08:16 UTC</pubDate>
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      <item>
         <title>Poleas fijas</title>
         <author>2023_149</author>
         <link>https://padlet.com/2023_149/jy5t0upe7ijnmq5l/wish/2882408572</link>
         <description><![CDATA[<p>El eje de una polea fija se encuentra sujeto a un soporte que lo mantiene móvil. No nos ahorra el esfuerzo.</p><p><br/></p>]]></description>
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         <pubDate>2024-02-13 16:10:50 UTC</pubDate>
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      <item>
         <title>Poleas móviles</title>
         <author>2023_149</author>
         <link>https://padlet.com/2023_149/jy5t0upe7ijnmq5l/wish/2882409416</link>
         <description><![CDATA[<p>Cuando tiramos de la esta cuerda se desplaza verticalmente. Por cada polea móvil de cada de un sistema de poleas el esfuerzo necesario para elevar la carga se reduce a la mitad.</p>]]></description>
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         <pubDate>2024-02-13 16:11:27 UTC</pubDate>
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      <item>
         <title>Aparejo factorial</title>
         <author>2023_149</author>
         <link>https://padlet.com/2023_149/jy5t0upe7ijnmq5l/wish/2882412588</link>
         <description><![CDATA[<p>Esta formada por el mismo numero de poleas fijas que de móviles. Una cuerda recorre el aparejo.</p>]]></description>
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         <pubDate>2024-02-13 16:13:30 UTC</pubDate>
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      <item>
         <title>Aparejo exponencial o potencial</title>
         <author>2023_149</author>
         <link>https://padlet.com/2023_149/jy5t0upe7ijnmq5l/wish/2882413921</link>
         <description><![CDATA[<p>Esta formado por una única polea fija y una o varias poleas móviles. Varias cuerdas recorren el aparejo.</p>]]></description>
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         <pubDate>2024-02-13 16:14:25 UTC</pubDate>
         <guid>https://padlet.com/2023_149/jy5t0upe7ijnmq5l/wish/2882413921</guid>
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      <item>
         <title>Ruedas de fricción</title>
         <author>2023_149</author>
         <link>https://padlet.com/2023_149/jy5t0upe7ijnmq5l/wish/2882773388</link>
         <description><![CDATA[<p>Son dos ruedas situadas una junto a la otra. Se transmite el movimiento entre las dos ruedas por fricción.</p>]]></description>
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         <pubDate>2024-02-13 22:12:41 UTC</pubDate>
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      <item>
         <title>Engranajes</title>
         <author>2023_149</author>
         <link>https://padlet.com/2023_149/jy5t0upe7ijnmq5l/wish/2882773907</link>
         <description><![CDATA[<p>Mecanismos formado por al menos dos ruedas dentadas diente a diente la rueda mayor se llama corona, y la menor piñón.</p>]]></description>
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         <pubDate>2024-02-13 22:13:30 UTC</pubDate>
         <guid>https://padlet.com/2023_149/jy5t0upe7ijnmq5l/wish/2882773907</guid>
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      <item>
         <title>Polea y correa</title>
         <author>2023_149</author>
         <link>https://padlet.com/2023_149/jy5t0upe7ijnmq5l/wish/2882774963</link>
         <description><![CDATA[<p>Mecanismo que consiste en una rueda giratoria de borde acanalado, por el que se desliza una cuerda o cadena, y que sirve para mover o levantar cosas pesadas.</p>]]></description>
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         <pubDate>2024-02-13 22:15:25 UTC</pubDate>
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      <item>
         <title>Piñones y cadena</title>
         <author>2023_149</author>
         <link>https://padlet.com/2023_149/jy5t0upe7ijnmq5l/wish/2882775527</link>
         <description><![CDATA[<p>Elemento de máquina, que transmite potencia por medio de fuerzas de tracción entre ruedas<strong> </strong>dentadas</p>]]></description>
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         <pubDate>2024-02-13 22:16:34 UTC</pubDate>
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      <item>
         <title>Tornillo sin fin y corona.</title>
         <author>2023_149</author>
         <link>https://padlet.com/2023_149/jy5t0upe7ijnmq5l/wish/2882776182</link>
         <description><![CDATA[<p>Dispositivo que transmite el movimiento entre ejes que son perpendiculares</p>]]></description>
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         <pubDate>2024-02-13 22:17:39 UTC</pubDate>
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      <item>
         <title>Tornillo-tuerca</title>
         <author>2023_149</author>
         <link>https://padlet.com/2023_149/jy5t0upe7ijnmq5l/wish/2882776940</link>
         <description><![CDATA[<p>Mecanismo constituido por un tornillo y una tuerca. Su funcionamiento se basa en que si se mantiene fija la tuerca, el movimiento giratorio del tornillo produce el desplazamiento lineal</p>]]></description>
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         <pubDate>2024-02-13 22:19:09 UTC</pubDate>
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      <item>
         <title>Piñón-cremallera</title>
         <author>2023_149</author>
         <link>https://padlet.com/2023_149/jy5t0upe7ijnmq5l/wish/2882777445</link>
         <description><![CDATA[<p>Es un dispositivo mecánico con dos engranajes, que convierte un movimiento de rotación en un movimiento rectilíneo o viceversa.</p>]]></description>
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         <pubDate>2024-02-13 22:20:07 UTC</pubDate>
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      <item>
         <title>Biela-manivela </title>
         <author>2023_149</author>
         <link>https://padlet.com/2023_149/jy5t0upe7ijnmq5l/wish/2882778127</link>
         <description><![CDATA[<p>Mecanismo ancestral que transforma un movimiento circular en un movimiento de traslación, o viceversa.</p>]]></description>
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         <pubDate>2024-02-13 22:21:20 UTC</pubDate>
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         <title>Leva</title>
         <author>2023_149</author>
         <link>https://padlet.com/2023_149/jy5t0upe7ijnmq5l/wish/2882778901</link>
         <description><![CDATA[<p>Mecanismo que permite transformar un movimiento circular a un movimiento rectilíneo mediante el contacto directo a un seguidor.​</p>]]></description>
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         <pubDate>2024-02-13 22:22:46 UTC</pubDate>
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         <title>Leva</title>
         <author></author>
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         <pubDate>2024-03-08 11:23:16 UTC</pubDate>
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