{"id":824,"date":"2022-09-13T06:44:59","date_gmt":"2022-09-13T06:44:59","guid":{"rendered":"https:\/\/insyte.website\/WordPress\/?post_type=glossary&#038;p=824"},"modified":"2022-10-13T13:03:59","modified_gmt":"2022-10-13T13:03:59","slug":"produit-scalaire","status":"publish","type":"glossary","link":"https:\/\/insyte.website\/WordPress\/glossary\/produit-scalaire\/","title":{"rendered":"Produit scalaire"},"content":{"rendered":"<p>Le produit Scalaire est un outil math&eacute;matique fort utile en Sciences &agrave; plusieurs titres<\/p>\n\n\n\n<ul class=\"wp-block-list\" id=\"block-1d78e287-33e5-41d9-a78e-652305ff2aeb\"><li>projection d&rsquo;un vecteur sur une base<\/li><li>calcul de la puissance m&eacute;canique \\(P = \\vec F \\cdot \\vec v\\) avec P en (W) F en (N) et v en (m.s<sup>-1<\/sup>)<\/li><li>calcul de l&rsquo;&eacute;nergie de transfert \\(W = \\vec F \\cdot \\overrightarrow {AB}\\) avec W en (J) F en (N) et AB en (m)<\/li><\/ul>\n\n\n\n<p>Il s&rsquo;agit d&rsquo;une <strong>multiplication <\/strong>entre deux <a class=\"glossaryLink\"  aria-describedby=\"tt\"  data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;Vecteurs&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;Les vecteurs en ing&eacute;nierie...&amp;lt;br\/&amp;gt;&amp;lt;div class=&amp;quot;wp-block-file&amp;quot;&amp;gt;&amp;lt;object class=&amp;quot;wp-block-file__embed&amp;quot; data=&amp;quot;https:\/\/insyte.website\/WordPress\/wp-content\/uploads\/2022\/09\/lesVecteurs.pdf&amp;quot; type=&amp;quot;application\/pdf&amp;quot; style=&amp;quot;width:100%;height:600px&amp;quot; aria-label=&amp;quot;Contenu embarqu&eacute; lesVecteurs.&amp;quot;&amp;gt;&amp;lt;\/object&amp;gt;lesVecteursT&eacute;l&eacute;charger&amp;lt;\/div&amp;gt;&lt;\/div&gt;\"  href=\"https:\/\/insyte.website\/WordPress\/glossary\/vecteurs\/\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'>vecteurs<\/a>.<br><strong>&Agrave; retenir<\/strong>, le r&eacute;sultat d&rsquo;un produit scalaire est un &hellip;.SCALAIRE !<\/p>\n\n\n\n<p class=\"has-theme-palette-1-color has-text-color has-medium-font-size\"><strong>D&eacute;finitions math&eacute;matiques<\/strong><\/p>\n\n\n\n<p>Il existe trois d&eacute;finitions math&eacute;matiques mais seulement deux nous sont utiles en Sciences.<\/p>\n\n\n\n<p class=\"has-medium-font-size\">\\(\\vec u \\cdot \\vec v = \\| \\vec u \\| \\cdot \\| \\vec v\\| \\cdot \\cos (\\vec u , \\vec v)\\)<\/p>\n\n\n\n<p class=\"has-medium-font-size\">\\(\\vec u \\cdot \\vec v = u_x \\cdot v_x  + u_y \\cdot v_y + u_z \\cdot v_z\\)<\/p>\n\n\n\n<p>Avec les <a class=\"glossaryLink\"  aria-describedby=\"tt\"  data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;Vecteurs&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;Les vecteurs en ing&eacute;nierie...&amp;lt;br\/&amp;gt;&amp;lt;div class=&amp;quot;wp-block-file&amp;quot;&amp;gt;&amp;lt;object class=&amp;quot;wp-block-file__embed&amp;quot; data=&amp;quot;https:\/\/insyte.website\/WordPress\/wp-content\/uploads\/2022\/09\/lesVecteurs.pdf&amp;quot; type=&amp;quot;application\/pdf&amp;quot; style=&amp;quot;width:100%;height:600px&amp;quot; aria-label=&amp;quot;Contenu embarqu&eacute; lesVecteurs.&amp;quot;&amp;gt;&amp;lt;\/object&amp;gt;lesVecteursT&eacute;l&eacute;charger&amp;lt;\/div&amp;gt;&lt;\/div&gt;\"  href=\"https:\/\/insyte.website\/WordPress\/glossary\/vecteurs\/\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'>vecteurs<\/a> \\(\\vec u\\) et \\(\\vec u\\) ayant pour composantes \\(\\vec u \\begin{pmatrix}  u_x   \\\\ u_y \\\\ u_z\\end{pmatrix}\\) et \\(\\vec v  \\begin{pmatrix}  v_x   \\\\ v_y \\\\v_z \\end{pmatrix}\\)<\/p>\n\n\n\n<p><strong>&Agrave; retenir :<\/strong> La premi&egrave;re relation montre que le produit scalaire de deux <a class=\"glossaryLink\"  aria-describedby=\"tt\"  data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;Vecteurs&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;Les vecteurs en ing&eacute;nierie...&amp;lt;br\/&amp;gt;&amp;lt;div class=&amp;quot;wp-block-file&amp;quot;&amp;gt;&amp;lt;object class=&amp;quot;wp-block-file__embed&amp;quot; data=&amp;quot;https:\/\/insyte.website\/WordPress\/wp-content\/uploads\/2022\/09\/lesVecteurs.pdf&amp;quot; type=&amp;quot;application\/pdf&amp;quot; style=&amp;quot;width:100%;height:600px&amp;quot; aria-label=&amp;quot;Contenu embarqu&eacute; lesVecteurs.&amp;quot;&amp;gt;&amp;lt;\/object&amp;gt;lesVecteursT&eacute;l&eacute;charger&amp;lt;\/div&amp;gt;&lt;\/div&gt;\"  href=\"https:\/\/insyte.website\/WordPress\/glossary\/vecteurs\/\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'>vecteurs<\/a> perpendiculaire (angle de 90&deg; entre eux) est nul. Effectivement car le cos(90&deg;)=0.<\/p>\n\n\n\n<p>Soit les forces F1 et F2 s&rsquo;exer&ccedil;ant sur la boite bleue :<\/p>\n\n\n<style>#kt-layout-id_c12274-0b > .kt-row-column-wrap{align-content:start;}:where(#kt-layout-id_c12274-0b > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}#kt-layout-id_c12274-0b > .kt-row-column-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:var(--global-kb-gap-md, 2rem);padding-top:var( --global-kb-row-default-top, 25px );padding-bottom:var( --global-kb-row-default-bottom, 25px );padding-top:var(--global-kb-spacing-sm, 1.5rem);padding-bottom:var(--global-kb-spacing-sm, 1.5rem);grid-template-columns:repeat(2, minmax(0, 1fr));}#kt-layout-id_c12274-0b > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){#kt-layout-id_c12274-0b > .kt-row-column-wrap{grid-template-columns:repeat(2, minmax(0, 1fr));}}@media all and (max-width: 767px){#kt-layout-id_c12274-0b > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style>\n<div class=\"wp-block-kadence-rowlayout alignnone\"><div id=\"kt-layout-id_c12274-0b\" class=\"kt-row-layout-inner kt-layout-id_c12274-0b\"><div class=\"kt-row-column-wrap kt-has-2-columns kt-gutter-default kt-v-gutter-default kt-row-valign-top kt-row-layout-equal kt-tab-layout-inherit kt-m-colapse-left-to-right kt-mobile-layout-row\"><style>.kadence-column_e1c313-e8 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_e1c313-e8 > .kt-inside-inner-col,.kadence-column_e1c313-e8 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column_e1c313-e8 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_e1c313-e8 > .kt-inside-inner-col{flex-direction:column;}.kadence-column_e1c313-e8 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_e1c313-e8 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_e1c313-e8{position:relative;}@media all and (max-width: 1024px){.kadence-column_e1c313-e8 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_e1c313-e8 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_e1c313-e8\"><div class=\"kt-inside-inner-col\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"418\" height=\"325\" src=\"https:\/\/insyte.website\/WordPress\/wp-content\/uploads\/2022\/10\/image-19.png\" alt=\"\" class=\"wp-image-1536\" srcset=\"https:\/\/insyte.website\/WordPress\/wp-content\/uploads\/2022\/10\/image-19.png 418w, https:\/\/insyte.website\/WordPress\/wp-content\/uploads\/2022\/10\/image-19-300x233.png 300w\" sizes=\"auto, (max-width: 418px) 100vw, 418px\"\/><\/figure>\n<\/div><\/div><\/div>\n\n\n<style>.kadence-column_b4b99f-80 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_b4b99f-80 > .kt-inside-inner-col,.kadence-column_b4b99f-80 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column_b4b99f-80 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_b4b99f-80 > .kt-inside-inner-col{flex-direction:column;}.kadence-column_b4b99f-80 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_b4b99f-80 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_b4b99f-80{position:relative;}@media all and (max-width: 1024px){.kadence-column_b4b99f-80 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_b4b99f-80 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-2 kadence-column_b4b99f-80\"><div class=\"kt-inside-inner-col\">\n<p>Le but ici sera de d&eacute;terminer les travaux des forces F1 et F2 (&Eacute;nergie de transfert) ainsi que les puissances transmises par les forces F1 et F2.<\/p>\n\n\n\n<p><strong>Commen&ccedil;ons <\/strong>par d&eacute;terminer les composantes de tous les <a class=\"glossaryLink\"  aria-describedby=\"tt\"  data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;Vecteurs&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;Les vecteurs en ing&eacute;nierie...&amp;lt;br\/&amp;gt;&amp;lt;div class=&amp;quot;wp-block-file&amp;quot;&amp;gt;&amp;lt;object class=&amp;quot;wp-block-file__embed&amp;quot; data=&amp;quot;https:\/\/insyte.website\/WordPress\/wp-content\/uploads\/2022\/09\/lesVecteurs.pdf&amp;quot; type=&amp;quot;application\/pdf&amp;quot; style=&amp;quot;width:100%;height:600px&amp;quot; aria-label=&amp;quot;Contenu embarqu&eacute; lesVecteurs.&amp;quot;&amp;gt;&amp;lt;\/object&amp;gt;lesVecteursT&eacute;l&eacute;charger&amp;lt;\/div&amp;gt;&lt;\/div&gt;\"  href=\"https:\/\/insyte.website\/WordPress\/glossary\/vecteurs\/\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'>vecteurs<\/a> (\\( \\overrightarrow {F_1}\\), \\( \\overrightarrow {F_2}\\), \\( \\overrightarrow {AB}\\), \\( \\overrightarrow v\\))<\/p>\n\n\n\n<p><mark class=\"kt-highlight\">&Eacute;chelle : <\/mark><br>Pour les forces : 1 carreau = 10&nbsp;N<br>Pour les distances : 1 carreau = 1&nbsp;m<br>Pour les vitesses : 1 carreau = 2 m.s<sup>-1<\/sup><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>\\(\\overrightarrow {F_1} \\begin {pmatrix} 20 \\\\ 10 \\\\ 0 \\end{pmatrix}\\) ; \\(\\overrightarrow {F_2} \\begin {pmatrix} 20 \\\\ -30 \\\\ 0 \\end{pmatrix}\\) ;  \\(\\overrightarrow {AB} \\begin {pmatrix} 4 \\\\ 0 \\\\ 0 \\end{pmatrix}\\); \\(\\overrightarrow {v} \\begin {pmatrix} 6 \\\\ 0 \\\\ 0 \\end{pmatrix}\\)<\/p>\n<\/div><\/div>\n<\/div><\/div><\/div>\n\n\n\n<p class=\"has-theme-palette-1-color has-text-color has-medium-font-size\"><strong>Calculons<\/strong> W<sub>1<\/sub> et W<sub>2<\/sub> (les travaux de force respectivement de F<sub>1<\/sub> et F<sub>2<\/sub> le long du chemin AB)<\/p>\n\n\n\n<p>Rappel : \\(W = \\vec F \\cdot \\overrightarrow {AB}\\)<\/p>\n\n\n\n<p>Pour W<sub>1<\/sub> : \\(W_1 = \\overrightarrow  {F_1} \\cdot \\overrightarrow {AB}=\\begin {pmatrix} 20 \\\\ 10 \\\\ 0 \\end{pmatrix} \\cdot \\begin {pmatrix} 4 \\\\ 0 \\\\ 0 \\end{pmatrix}=20 \\cdot 4 + 10 \\cdot 0 + 0 \\cdot 0=80~Joules\\)<\/p>\n\n\n\n<p>Pour W<sub>2<\/sub> : \\(W_2 = \\overrightarrow  {F_2} \\cdot \\overrightarrow {AB}=\\begin {pmatrix} 20 \\\\ -30 \\\\ 0 \\end{pmatrix} \\cdot \\begin {pmatrix} 4 \\\\ 0 \\\\ 0 \\end{pmatrix}=20 \\cdot 4 + (-30) \\cdot 0 + 0 \\cdot 0=80~Joules\\)<\/p>\n\n\n\n<p>On constate que seule la composante selon \\(\\vec x\\) (dans ce cas particulier) travaille (contribue au d&eacute;placement). C&rsquo;est normal &eacute;tant donn&eacute; que la composante selon \\(\\vec y\\) est perpendiculaire au d&eacute;placement \\(\\overrightarrow{AB}\\), ce qui s&rsquo;explique par le fait que le produit scalaire de deux <a class=\"glossaryLink\"  aria-describedby=\"tt\"  data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;Vecteurs&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;Les vecteurs en ing&eacute;nierie...&amp;lt;br\/&amp;gt;&amp;lt;div class=&amp;quot;wp-block-file&amp;quot;&amp;gt;&amp;lt;object class=&amp;quot;wp-block-file__embed&amp;quot; data=&amp;quot;https:\/\/insyte.website\/WordPress\/wp-content\/uploads\/2022\/09\/lesVecteurs.pdf&amp;quot; type=&amp;quot;application\/pdf&amp;quot; style=&amp;quot;width:100%;height:600px&amp;quot; aria-label=&amp;quot;Contenu embarqu&eacute; lesVecteurs.&amp;quot;&amp;gt;&amp;lt;\/object&amp;gt;lesVecteursT&eacute;l&eacute;charger&amp;lt;\/div&amp;gt;&lt;\/div&gt;\"  href=\"https:\/\/insyte.website\/WordPress\/glossary\/vecteurs\/\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'>vecteurs<\/a> perpendiculaire est nul.<\/p>\n\n\n\n<p class=\"has-theme-palette-1-color has-text-color has-medium-font-size\"><strong>Calculons<\/strong> P<sub>1<\/sub> et P<sub>2<\/sub> (les puissances respectivement transmises par F<sub>1<\/sub> et F<sub>2<\/sub>)<\/p>\n\n\n\n<p>Rappel : \\(P = \\vec F \\cdot \\overrightarrow {v}\\)<\/p>\n\n\n\n<p>Pour P<sub>1<\/sub> : \\(P_1 = \\overrightarrow  {F_1} \\cdot \\overrightarrow {v}=\\begin {pmatrix} 20 \\\\ 10 \\\\ 0 \\end{pmatrix} \\cdot \\begin {pmatrix} 6 \\\\ 0 \\\\ 0 \\end{pmatrix}=20 \\cdot 6 + 10 \\cdot 0 + 0 \\cdot 0=120~Watts\\)<\/p>\n\n\n\n<p>Pour P<sub>2<\/sub> : \\(P_2 = \\overrightarrow  {F_2} \\cdot \\overrightarrow {v}=\\begin {pmatrix} 20 \\\\ -30 \\\\ 0 \\end{pmatrix} \\cdot \\begin {pmatrix} 6 \\\\ 0 \\\\ 0 \\end{pmatrix}=20 \\cdot 6 + (-30) \\cdot 0 + 0 \\cdot 0=120~Watts\\)<\/p>\n\n\n\n<p>On constate que seule la composante selon \\(\\vec x\\) (dans ce cas particulier) travaille (contribue &agrave; transf&eacute;rer de la puissance). C&rsquo;est normal &eacute;tant donn&eacute; que la composante selon \\(\\vec y\\) est perpendiculaire &agrave; la vitesse \\(\\overrightarrow{v}\\), ce qui s&rsquo;explique par le fait que le produit scalaire de deux <a class=\"glossaryLink\"  aria-describedby=\"tt\"  data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;Vecteurs&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;Les vecteurs en ing&eacute;nierie...&amp;lt;br\/&amp;gt;&amp;lt;div class=&amp;quot;wp-block-file&amp;quot;&amp;gt;&amp;lt;object class=&amp;quot;wp-block-file__embed&amp;quot; data=&amp;quot;https:\/\/insyte.website\/WordPress\/wp-content\/uploads\/2022\/09\/lesVecteurs.pdf&amp;quot; type=&amp;quot;application\/pdf&amp;quot; style=&amp;quot;width:100%;height:600px&amp;quot; aria-label=&amp;quot;Contenu embarqu&eacute; lesVecteurs.&amp;quot;&amp;gt;&amp;lt;\/object&amp;gt;lesVecteursT&eacute;l&eacute;charger&amp;lt;\/div&amp;gt;&lt;\/div&gt;\"  href=\"https:\/\/insyte.website\/WordPress\/glossary\/vecteurs\/\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'>vecteurs<\/a> perpendiculaire est nul.<\/p>\n\n\n<style>#kt-layout-id_fc24b4-3e > .kt-row-column-wrap{align-content:start;}:where(#kt-layout-id_fc24b4-3e > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}#kt-layout-id_fc24b4-3e > .kt-row-column-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:var(--global-kb-gap-md, 2rem);padding-top:var( --global-kb-row-default-top, 25px );padding-bottom:var( --global-kb-row-default-bottom, 25px );padding-top:var(--global-kb-spacing-sm, 1.5rem);padding-bottom:var(--global-kb-spacing-sm, 1.5rem);grid-template-columns:minmax(0, 1fr) minmax(0, 2fr);}#kt-layout-id_fc24b4-3e > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){#kt-layout-id_fc24b4-3e > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr) minmax(0, 2fr);}}@media all and (max-width: 767px){#kt-layout-id_fc24b4-3e > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style>\n<div class=\"wp-block-kadence-rowlayout alignnone\"><div id=\"kt-layout-id_fc24b4-3e\" class=\"kt-row-layout-inner kt-layout-id_fc24b4-3e\"><div class=\"kt-row-column-wrap kt-has-2-columns kt-gutter-default kt-v-gutter-default kt-row-valign-top kt-row-layout-right-golden kt-tab-layout-inherit kt-m-colapse-left-to-right kt-mobile-layout-row\"><style>.kadence-column_fed89f-ec > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_fed89f-ec > .kt-inside-inner-col,.kadence-column_fed89f-ec > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column_fed89f-ec > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_fed89f-ec > .kt-inside-inner-col{flex-direction:column;}.kadence-column_fed89f-ec > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_fed89f-ec > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_fed89f-ec{position:relative;}@media all and (max-width: 1024px){.kadence-column_fed89f-ec > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_fed89f-ec > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_fed89f-ec\"><div class=\"kt-inside-inner-col\">\n<p><strong>Le produit scalaire en vid&eacute;o<\/strong> (orient&eacute; math&eacute;matiques)<\/p>\n<\/div><\/div>\n\n\n<style>.kadence-column_d8e4f0-e1 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_d8e4f0-e1 > .kt-inside-inner-col,.kadence-column_d8e4f0-e1 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column_d8e4f0-e1 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_d8e4f0-e1 > .kt-inside-inner-col{flex-direction:column;}.kadence-column_d8e4f0-e1 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_d8e4f0-e1 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_d8e4f0-e1{position:relative;}@media all and (max-width: 1024px){.kadence-column_d8e4f0-e1 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_d8e4f0-e1 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-2 kadence-column_d8e4f0-e1\"><div class=\"kt-inside-inner-col\">\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"LE COURS : Produit scalaire - Premi&#xE8;re\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/dII7myZuLvo?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>\n<\/div><figcaption>Yvan Monka<\/figcaption><\/figure>\n<\/div><\/div>\n<\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Le produit Scalaire est un outil math&eacute;matique fort utile en Sciences &agrave; plusieurs titres projection d&rsquo;un vecteur sur une base calcul de la puissance m&eacute;canique avec P en (W) F en (N) et v en (m.s-1) calcul de l&rsquo;&eacute;nergie de transfert avec W en (J) F en (N) et AB en (m) Il s&rsquo;agit d&rsquo;une&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"menu_order":0,"template":"","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"glossary-categories":[],"glossary-tags":[],"glossary-languages":[],"class_list":["post-824","glossary","type-glossary","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Produit scalaire - Insyte.website<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/insyte.website\/WordPress\/glossary\/produit-scalaire\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Produit scalaire - Insyte.website\" \/>\n<meta property=\"og:description\" content=\"Le produit Scalaire est un outil math&eacute;matique fort utile en Sciences &agrave; 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