diff --git a/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/40.classical-mechanics/50.n4/30.en/10.main/textbook.fr.md b/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/40.classical-mechanics/50.n4/30.en/10.main/textbook.fr.md
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+---
+title: Classical mechanics, n4, main
+published: true
+routable: true
+visible: false
+lessons:
+    - slug: classical mechanics-n4-linear
+      order: 1
+    - slug: classical mechanics-234-panorama
+      order: 3
+    - slug: classical mechanics-n4-exchange
+      order: 3
+---
+
+#### Classical mechanics, n4, main
+
+------------------------------------------------
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