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      <title>MÀQUINES SIMPLES by SERGI MASIP MARTORELL</title>
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      <description>Explicació màquines simples</description>
      <language>en-us</language>
      <pubDate>2019-03-07 09:53:01 UTC</pubDate>
      <lastBuildDate>2024-12-19 08:03:16 UTC</lastBuildDate>
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         <title>MODELS DE MÀQUINES SIMPLES</title>
         <author>celia_baena59</author>
         <link>https://padlet.com/sergi_masip37/lm8d1uez304d/wish/341225565</link>
         <description><![CDATA[]]></description>
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         <pubDate>2019-03-14 09:34:34 UTC</pubDate>
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         <title>Cargol d&#39;arquimedes</title>
         <author>sergi_masip37</author>
         <link>https://padlet.com/sergi_masip37/lm8d1uez304d/wish/341225963</link>
         <description><![CDATA[<div>Es basa en un <mark>cargol</mark> que <mark>gira al voltant d'un cilindre sobre un pla inclinat</mark>. Permet <mark>elevar líquids.</mark><br>f·R=C·r<br><strong>f</strong>=Força<br><strong>R</strong>=Radi on s'exerceix la força<br><strong>C</strong>=Càrrega<br><strong>r</strong>=Radi on està aplicada la càrrega</div>]]></description>
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         <pubDate>2019-03-14 09:36:16 UTC</pubDate>
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         <title>Manovella</title>
         <author>sergi_masip37</author>
         <link>https://padlet.com/sergi_masip37/lm8d1uez304d/wish/341226114</link>
         <description><![CDATA[<div>Peça metàl·lica en <mark>forma d'angle recte</mark> i fent un moviment rotatori amb la mà, <mark>pot girar</mark>.<br>F·r=W·R<br><strong>F</strong>=Força <br><strong>r</strong>=radi manovella<br><strong>W</strong>=pes<br><strong>R</strong>=radi cilindre</div>]]></description>
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         <pubDate>2019-03-14 09:36:48 UTC</pubDate>
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      <item>
         <title>Corriola</title>
         <author>sergi_masip37</author>
         <link>https://padlet.com/sergi_masip37/lm8d1uez304d/wish/341226144</link>
         <description><![CDATA[<div>S'utilitza per<mark> canviar de direcció</mark> una força.<br><strong>F</strong>=R<br><strong>F</strong>=Força<br><strong>R</strong>=Resistència<br><br></div>]]></description>
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         <pubDate>2019-03-14 09:36:53 UTC</pubDate>
         <guid>https://padlet.com/sergi_masip37/lm8d1uez304d/wish/341226144</guid>
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         <title>Cunya</title>
         <author>sergi_masip37</author>
         <link>https://padlet.com/sergi_masip37/lm8d1uez304d/wish/341226215</link>
         <description><![CDATA[<div>Serveix per a <mark>unir </mark>o <mark>dividir </mark>cossos sòlids per a ajustar o <mark>estrènyer </mark>l'un amb l'altre.<br>Fp*bp=Fr*br</div>]]></description>
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         <pubDate>2019-03-14 09:37:09 UTC</pubDate>
         <guid>https://padlet.com/sergi_masip37/lm8d1uez304d/wish/341226215</guid>
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         <title>Polipast</title>
         <author>sergi_masip37</author>
         <link>https://padlet.com/sergi_masip37/lm8d1uez304d/wish/341227212</link>
         <description><![CDATA[<div> S'utilitza per a <mark>aixecar </mark>o <mark>moure </mark>una <mark>càrrega </mark>amb una <mark>força molt menor </mark>al pes que cal moure ja que duu dues o més corrioles incorporades per a minimitzar l'esforç<br><strong>F=</strong>Resistència/2*nombre de corrioles  *gravetat</div>]]></description>
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         <pubDate>2019-03-14 09:40:39 UTC</pubDate>
         <guid>https://padlet.com/sergi_masip37/lm8d1uez304d/wish/341227212</guid>
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         <title>Torn</title>
         <author>celia_baena59</author>
         <link>https://padlet.com/sergi_masip37/lm8d1uez304d/wish/341227591</link>
         <description><![CDATA[<div> És un <mark>cilindre </mark>amb una <mark>manovella </mark>que permet fer-lo <mark>girar</mark>. El cilindre recull la corda i <mark>eleva l’objecte</mark> que desitgem aixecar. <br> F · rm = R · rc <br><strong>rm=</strong>radi de gir de la manovella<br><strong>re=</strong> radi del cilindre del torn </div>]]></description>
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         <pubDate>2019-03-14 09:41:58 UTC</pubDate>
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         <title>Cargol Femella</title>
         <author>sergi_masip37</author>
         <link>https://padlet.com/sergi_masip37/lm8d1uez304d/wish/341227667</link>
         <description><![CDATA[<div> És un <mark>mecanisme </mark>constituït per un <mark>cargol </mark>que es mou dins d'una <mark>femella </mark>que està fixa. <br>El que ens permet és subjectar i <mark>fixar unions d'elements desmuntables</mark>.<br><strong>F</strong>= R*p/2*π*d </div><div><strong>d: </strong>radi manovella<strong> (m)</strong></div><div><strong>F: </strong>força que realitzar <strong>(N)</strong></div><div><strong>R: </strong>Resistència o força que fa el cargol <strong>(N)</strong></div><div><strong>p: </strong>pas del cargol<strong> (m)</strong> </div>]]></description>
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         <pubDate>2019-03-14 09:42:11 UTC</pubDate>
         <guid>https://padlet.com/sergi_masip37/lm8d1uez304d/wish/341227667</guid>
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         <title>Politja mòbil</title>
         <author>sergi_masip37</author>
         <link>https://padlet.com/sergi_masip37/lm8d1uez304d/wish/341227887</link>
         <description><![CDATA[<div>És un sistema de dues politjes, format per una fixa i una altre  mòbil, unides mitjançant una corda,  per elevar o moure un objecte fent la força equivalent a la  meitat de la resistència que oposa aquest.<br><strong>F=</strong>R/2n<br><strong>R=</strong>Resistència<br><strong>n=</strong>Nombre de politjes<br><strong>F=</strong>Força aplicada</div>]]></description>
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         <pubDate>2019-03-14 09:42:46 UTC</pubDate>
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         <title></title>
         <author>celia_baena59</author>
         <link>https://padlet.com/sergi_masip37/lm8d1uez304d/wish/341230105</link>
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         <pubDate>2019-03-14 09:49:40 UTC</pubDate>
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         <title></title>
         <author>celia_baena59</author>
         <link>https://padlet.com/sergi_masip37/lm8d1uez304d/wish/341230882</link>
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         <pubDate>2019-03-14 09:52:06 UTC</pubDate>
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         <title></title>
         <author>sergi_masip37</author>
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         <pubDate>2019-03-14 09:53:53 UTC</pubDate>
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         <title></title>
         <author>celia_baena59</author>
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         <pubDate>2019-03-14 09:53:55 UTC</pubDate>
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         <title>Pla inclinat</title>
         <author>sandro_checa13</author>
         <link>https://padlet.com/sergi_masip37/lm8d1uez304d/wish/341232157</link>
         <description><![CDATA[<div>S'utilitza per <mark>elevar </mark>coses a certa alçada. La seva estructura forma un <mark>angle agut</mark>.<br><br><strong>F</strong>=P·h/l<br><strong>F</strong>=Força<br><strong>P</strong>=Pes<br><strong>h</strong>=Altura<br><strong>L</strong>=Longitud</div>]]></description>
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         <pubDate>2019-03-14 09:55:50 UTC</pubDate>
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         <title></title>
         <author>sandro_checa13</author>
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         <pubDate>2019-03-14 09:59:03 UTC</pubDate>
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         <title></title>
         <author>sergi_masip37</author>
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         <pubDate>2019-03-14 10:00:08 UTC</pubDate>
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         <title></title>
         <author>sandro_checa13</author>
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         <pubDate>2019-03-14 18:14:47 UTC</pubDate>
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         <title></title>
         <author>sandro_checa13</author>
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         <pubDate>2019-03-14 18:25:43 UTC</pubDate>
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         <title></title>
         <author>celia_baena59</author>
         <link>https://padlet.com/sergi_masip37/lm8d1uez304d/wish/341547589</link>
         <description><![CDATA[]]></description>
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         <pubDate>2019-03-14 21:29:00 UTC</pubDate>
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