<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>1983-2117</journal-id>
<journal-title><![CDATA[Ensaio Pesquisa em Educação em Ciências]]></journal-title>
<abbrev-journal-title><![CDATA[Ens. Pesqui. Educ. Ciênc]]></abbrev-journal-title>
<issn>1983-2117</issn>
<publisher>
<publisher-name><![CDATA[Universidade Federal de Minas Gerais]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1983-21172000000200163</article-id>
<article-id pub-id-type="doi">10.1590/1983-21172000020204</article-id>
<title-group>
<article-title xml:lang="pt"><![CDATA[REPOUSO E MOVIMENTO: QUE TIPO DE ATRITO? O QUE RELATAM OS LIVROS DA 8a SÉRIE DO ENSINO FUNDAMENTAL E DO ENSINO MÉDIO]]></article-title>
<article-title xml:lang="en"><![CDATA[REST AND MOTION: WHAT KIND OF FRICTION? WHAT THE HIGH SCHOOL BOOKS TELL.]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Caldas]]></surname>
<given-names><![CDATA[Helena]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cunha]]></surname>
<given-names><![CDATA[Altair L.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Magalhães]]></surname>
<given-names><![CDATA[Maria Elisa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidade Federal do Espírito Santo Centro de Ciências Exatas Departamento de Física]]></institution>
<addr-line><![CDATA[Goiabeiras ES]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Escola de 1o e 2o Grau "João Bley"  ]]></institution>
<addr-line><![CDATA[Castelo ES]]></addr-line>
<country>Brazil</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2000</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2000</year>
</pub-date>
<volume>2</volume>
<numero>2</numero>
<fpage>163</fpage>
<lpage>187</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://educa.fcc.org.br/scielo.php?script=sci_arttext&amp;pid=S1983-21172000000200163&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://educa.fcc.org.br/scielo.php?script=sci_abstract&amp;pid=S1983-21172000000200163&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://educa.fcc.org.br/scielo.php?script=sci_pdf&amp;pid=S1983-21172000000200163&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Dados os resultados de diversos estudos sobre as dificuldades e as concep&#231;&#245;es de senso comum de estudantes e professores acerca do fen&#244;meno do atrito s&#243;lido seco, o presente trabalho busca conhecer qual a associa&#231;&#227;o promovida pelos livros da 8a s&#233;rie do Ensino Fundamental e do Ensino M&#233;dio entre atrito s&#243;lido e movimento. O objetivo &#233; verificar a contribui&#231;&#227;o dada por estes livros ao modelo "estudantil" sobre o atrito e, simultaneamente, mostrar aspectos que devem ser levados em conta quando se estuda este fen&#244;meno. As an&#225;lises indicam que a abordagem escolhida pelos livros onde se inicia o estudo do atrito n&#227;o favorece a forma&#231;&#227;o conceitual adequada sobre o fen&#244;meno na popula&#231;&#227;o alvo dos livros.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[According to the results of several studies about students and teachers difficulties and common sense conceptions concerning the phenomenon of dry solid friction, the present work intends to find which is the association between solid friction and motion promoted by high school books. The goal is to verify the contribution given by these books to the student friction model and, simultaneously, to show aspects that should be taken into account when this phenomenon is studied. The analyses indicate that the approach chosen by the books to initiate the study of friction does not collaborate to the adequate conceptual formation about the phenomenon on the books target population.]]></p></abstract>
</article-meta>
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<article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>1983-2117</journal-id>
<journal-title><![CDATA[Ensaio Pesquisa em Educação em Ciências]]></journal-title>
<abbrev-journal-title><![CDATA[Ens. Pesqui. Educ. Ciênc]]></abbrev-journal-title>
<issn>1983-2117</issn>
<publisher>
<publisher-name><![CDATA[Universidade Federal de Minas Gerais]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1983-21172000000200163</article-id>
<article-id pub-id-type="doi">10.1590/1983-21172000020204</article-id>
<title-group>
<article-title xml:lang="pt"><![CDATA[REPOUSO E MOVIMENTO: QUE TIPO DE ATRITO? O QUE RELATAM OS LIVROS DA 8a SÉRIE DO ENSINO FUNDAMENTAL E DO ENSINO MÉDIO]]></article-title>
<article-title xml:lang="en"><![CDATA[REST AND MOTION: WHAT KIND OF FRICTION? WHAT THE HIGH SCHOOL BOOKS TELL.]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Caldas]]></surname>
<given-names><![CDATA[Helena]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cunha]]></surname>
<given-names><![CDATA[Altair L.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Magalhães]]></surname>
<given-names><![CDATA[Maria Elisa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidade Federal do Espírito Santo Centro de Ciências Exatas Departamento de Física]]></institution>
<addr-line><![CDATA[Goiabeiras ES]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Escola de 1o e 2o Grau "João Bley"  ]]></institution>
<addr-line><![CDATA[Castelo ES]]></addr-line>
<country>Brazil</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2000</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2000</year>
</pub-date>
<volume>2</volume>
<numero>2</numero>
<fpage>163</fpage>
<lpage>187</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://educa.fcc.org.br/scielo.php?script=sci_arttext&amp;pid=S1983-21172000000200163&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://educa.fcc.org.br/scielo.php?script=sci_abstract&amp;pid=S1983-21172000000200163&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://educa.fcc.org.br/scielo.php?script=sci_pdf&amp;pid=S1983-21172000000200163&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Dados os resultados de diversos estudos sobre as dificuldades e as concep&#231;&#245;es de senso comum de estudantes e professores acerca do fen&#244;meno do atrito s&#243;lido seco, o presente trabalho busca conhecer qual a associa&#231;&#227;o promovida pelos livros da 8a s&#233;rie do Ensino Fundamental e do Ensino M&#233;dio entre atrito s&#243;lido e movimento. O objetivo &#233; verificar a contribui&#231;&#227;o dada por estes livros ao modelo "estudantil" sobre o atrito e, simultaneamente, mostrar aspectos que devem ser levados em conta quando se estuda este fen&#244;meno. As an&#225;lises indicam que a abordagem escolhida pelos livros onde se inicia o estudo do atrito n&#227;o favorece a forma&#231;&#227;o conceitual adequada sobre o fen&#244;meno na popula&#231;&#227;o alvo dos livros.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[According to the results of several studies about students and teachers difficulties and common sense conceptions concerning the phenomenon of dry solid friction, the present work intends to find which is the association between solid friction and motion promoted by high school books. The goal is to verify the contribution given by these books to the student friction model and, simultaneously, to show aspects that should be taken into account when this phenomenon is studied. The analyses indicate that the approach chosen by the books to initiate the study of friction does not collaborate to the adequate conceptual formation about the phenomenon on the books target population.]]></p></abstract>
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