{"id":1030,"date":"2024-09-23T14:59:30","date_gmt":"2024-09-23T12:59:30","guid":{"rendered":"https:\/\/solveredu.com\/?p=1030"},"modified":"2026-01-27T23:41:41","modified_gmt":"2026-01-27T22:41:41","slug":"reazioni-vincolari","status":"publish","type":"post","link":"https:\/\/solveredu.com\/it\/post\/reakcje-podporowe\/","title":{"rendered":"Reazioni vincolari"},"content":{"rendered":"<p class=\"wp-block-paragraph\" id=\"e3e8n\">In questo blog post imparerete:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><a href=\"#e3e8n\">Quali sono le reazioni vincolari<\/a><\/li>\n\n\n\n<li><a href=\"#4r3hd\">Tipi di supporto e relative reazioni di supporto<\/a>\n<ul class=\"wp-block-list\">\n<li><a href=\"#ugv3\">Vincolo a cerniera<\/a><\/li>\n\n\n\n<li><a href=\"#6ohc8\">Vincolo a carrello<\/a><\/li>\n\n\n\n<li><a href=\"#1cifi\">Incastro<\/a><\/li>\n\n\n\n<li><a href=\"#bejl7\">Vincolo a pattino<\/a><\/li>\n\n\n\n<li><a href=\"#ea530\">Incastro scorrevole<\/a><\/li>\n\n\n\n<li><a href=\"#Przegub\">Giunto<\/a><\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>La reazione d'appoggio, nota anche come reazione nel punto d'appoggio, \u00e8 la forza sotto forma di vettore che si verifica nel punto di connessione tra un corpo (ad esempio una trave, un telaio o una capriata) e il suo supporto quando \u00e8 scollegato da quest'ultimo.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"32uml\">Tutto parte dai principi della dinamica di Newton... Ma per non annoiarvi troppo, ho riportato qui di seguito la breve definizione che egli ne d\u00e0 <a href=\"https:\/\/pl.wikipedia.org\/wiki\/Zasady_dynamiki_Newtona\" target=\"_blank\" rel=\"noreferrer noopener\">Wikipedia<\/a> :<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\" style=\"border-style:none;border-width:0px\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-theme-3-color\">Se il corpo A agisce sul corpo B con una forza F (azione), il corpo B agisce sul corpo A con una forza (reazione) dello stesso valore e direzione, ma di verso opposto.<\/mark><\/p>\n<\/blockquote>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" decoding=\"async\" data-attachment-id=\"1034\" data-permalink=\"https:\/\/solveredu.com\/it\/post\/reakcje-podporowe\/reakcje-podporowe-akcja-reakcja\/\" data-orig-file=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/reakcje-podporowe-akcja-reakcja-e1742144899933.png?fit=353%2C259&amp;ssl=1\" data-orig-size=\"353,259\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"reakcje podporowe, akcja reakcja\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/reakcje-podporowe-akcja-reakcja-e1742144899933.png?fit=353%2C259&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/reakcje-podporowe-akcja-reakcja.png?ssl=1\" alt=\"Azione-reazione, seconda legge della dinamica, SolverEdu\" class=\"wp-image-1034\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"6skl5\">Cio\u00e8, se premiamo sul supporto con una forza o un momento, il supporto ci restituisce. E la forza con cui il supporto ci restituisce \u00e8 precisamente <strong>risposta.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"9fok1\">Grazie al fatto che le forze di interazione si bilanciano, si pu\u00f2 parlare di statica, cio\u00e8 il corpo rimane a riposo.<\/p>\n\n\n\n<h1 id=\"4r3hd\" class=\"wp-block-heading has-large-font-size\"><strong>Tipi di supporto e relative reazioni di supporto<\/strong><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"dmerl\">La meccanica definisce le reazioni dei supporti in base al tipo di supporto. Di seguito sono descritti i tipi di supporto pi\u00f9 comuni.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-theme-6-background-color has-text-color has-background has-link-color has-fixed-layout\" style=\"color:#ffffff\"><tbody><tr><td>Tutti i supporti elencati di seguito sono disponibili nell'app <strong><a href=\"https:\/\/solveredu.com\/it\/calcolatore-di-travi\/\">Calcolatore di raggi <\/a><\/strong>dove \u00e8 possibile testare le modalit\u00e0 di supporto dei sistemi di travi e ottenere una soluzione completa passo-passo per le travi.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 id=\"ugv3\" class=\"wp-block-heading has-medium-font-size\"><strong>Vincolo a cerniera<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"250\" height=\"263\" data-attachment-id=\"1035\" data-permalink=\"https:\/\/solveredu.com\/it\/post\/reakcje-podporowe\/stala\/\" data-orig-file=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/stala.jpg?fit=250%2C263&amp;ssl=1\" data-orig-size=\"250,263\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"stala\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/stala.jpg?fit=250%2C263&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/stala.jpg?resize=250%2C263&#038;ssl=1\" alt=\"Supporto del perno non scorrevole, SolverEdu\" class=\"wp-image-1035\" style=\"width:200px;height:auto\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"3b8eg\">Il primo tipo di supporto di cui parleremo \u00e8 un supporto a cerniera non scorrevole (fisso). Questo supporto blocca il movimento orizzontale (asse x) e verticale (asse y). Esiste tuttavia la possibilit\u00e0 di rotazione intorno alla cerniera. Per questo motivo viene chiamato \"perno\". <strong>articolato<\/strong> non scorrevole. Il cerchio in cima al triangolo in cui sono agganciate le reazioni \u00e8 il giunto.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"5bbvj\">Spesso ci si chiede se sia importante quale sia la direzione della reazione (da che parte punta la freccia del vettore forza).<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Possiamo assumere qualsiasi rotazione desiderata, l'importante \u00e8 che venga mantenuta una direzione costante.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 id=\"6ohc8\" class=\"wp-block-heading has-medium-font-size\"><strong>Vincolo a carrello<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"416\" height=\"286\" data-attachment-id=\"1038\" data-permalink=\"https:\/\/solveredu.com\/it\/post\/reakcje-podporowe\/przesuwna\/\" data-orig-file=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/przesuwna.jpg?fit=416%2C286&amp;ssl=1\" data-orig-size=\"416,286\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"przesuwna\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/przesuwna.jpg?fit=416%2C286&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/przesuwna.jpg?resize=416%2C286&#038;ssl=1\" alt=\"Supporto scorrevole articolato, SolverEdu\" class=\"wp-image-1038\" style=\"width:270px;height:auto\" srcset=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/przesuwna.jpg?w=416&amp;ssl=1 416w, https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/przesuwna.jpg?resize=300%2C206&amp;ssl=1 300w\" sizes=\"auto, (max-width: 416px) 100vw, 416px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"95b8b\">Un altro tipo di supporto \u00e8 il supporto a perno scorrevole. In questo supporto abbiamo una reazione in direzione verticale. In questa direzione non \u00e8 possibile alcun movimento. Si libera la direzione orizzontale, simboleggiata dallo spazio tra il terreno e il supporto o dai cerchi che simboleggiano la possibilit\u00e0 di movimento.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"753\" height=\"589\" data-attachment-id=\"1040\" data-permalink=\"https:\/\/solveredu.com\/it\/post\/reakcje-podporowe\/reakcja-przegubowa-przesuwna-blad\/\" data-orig-file=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/Reakcja-przegubowa-przesuwna-blad.png?fit=753%2C589&amp;ssl=1\" data-orig-size=\"753,589\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Reakcja przegubowa przesuwna -bl\u0105d\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/Reakcja-przegubowa-przesuwna-blad.png?fit=753%2C589&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/Reakcja-przegubowa-przesuwna-blad.png?resize=753%2C589&#038;ssl=1\" alt=\"Supporto scorrevole articolato, non ok SolverEdu\" class=\"wp-image-1040\" style=\"width:304px;height:auto\" srcset=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/Reakcja-przegubowa-przesuwna-blad.png?w=753&amp;ssl=1 753w, https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/Reakcja-przegubowa-przesuwna-blad.png?resize=300%2C235&amp;ssl=1 300w\" sizes=\"auto, (max-width: 753px) 100vw, 753px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\u00c8 possibile che nei vostri compiti incontriate un supporto ruotato di qualche angolo. Allora ricordate di girare la direzione della reazione perpendicolarmente alla base del supporto, come ho mostrato nella figura precedente.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 id=\"1cifi\" class=\"wp-block-heading has-medium-font-size\"><strong>Incastro<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"419\" height=\"389\" data-attachment-id=\"1041\" data-permalink=\"https:\/\/solveredu.com\/it\/post\/reakcje-podporowe\/utwierdzenie\/\" data-orig-file=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/utwierdzenie.jpg?fit=419%2C389&amp;ssl=1\" data-orig-size=\"419,389\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"utwierdzenie\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/utwierdzenie.jpg?fit=419%2C389&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/utwierdzenie.jpg?resize=419%2C389&#038;ssl=1\" alt=\"Vincolo, SolverEdu\" class=\"wp-image-1041\" style=\"width:270px;height:auto\" srcset=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/utwierdzenie.jpg?w=419&amp;ssl=1 419w, https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/utwierdzenie.jpg?resize=300%2C279&amp;ssl=1 300w\" sizes=\"auto, (max-width: 419px) 100vw, 419px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"aqvks\">Un altro tipo di supporto che si pu\u00f2 incontrare \u00e8 la ritenuta. In questo caso, oltre a bloccare il movimento in direzione verticale e orizzontale, si blocca anche la possibilit\u00e0 di rotazione nel punto di vincolo. Nel vincolo vengono tolti tre gradi di libert\u00e0, quindi si hanno tre reazioni: orizzontale, verticale e di momento.<\/p>\n\n\n\n<h2 id=\"bejl7\" class=\"wp-block-heading has-medium-font-size\"><strong>Vincolo a pattino<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"396\" height=\"367\" data-attachment-id=\"1045\" data-permalink=\"https:\/\/solveredu.com\/it\/post\/reakcje-podporowe\/utwierdzenie_lyzwa\/\" data-orig-file=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/utwierdzenie_lyzwa.jpg?fit=396%2C367&amp;ssl=1\" data-orig-size=\"396,367\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"utwierdzenie_lyzwa\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/utwierdzenie_lyzwa.jpg?fit=396%2C367&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/utwierdzenie_lyzwa.jpg?resize=396%2C367&#038;ssl=1\" alt=\"Trattenimento verticale dei pattini, SolverEdu\" class=\"wp-image-1045\" style=\"width:230px;height:auto\" srcset=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/utwierdzenie_lyzwa.jpg?w=396&amp;ssl=1 396w, https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/utwierdzenie_lyzwa.jpg?resize=300%2C278&amp;ssl=1 300w\" sizes=\"auto, (max-width: 396px) 100vw, 396px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"46k5l\">Il pattino verticale \u00e8 un supporto molto meno comune nei compiti di meccanica. Il pattino verticale ha due gradi di libert\u00e0 sottratti dalla reazione e dal momento orizzontale. Questo supporto non ha movimenti o rotazioni orizzontali.<\/p>\n\n\n\n<h2 id=\"ea530\" class=\"wp-block-heading has-medium-font-size\"><strong>Incastro scorrevole<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"575\" height=\"573\" data-attachment-id=\"1046\" data-permalink=\"https:\/\/solveredu.com\/it\/post\/reakcje-podporowe\/lyzwa-dwa\/\" data-orig-file=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/lyzwa-dwa.jpg?fit=575%2C573&amp;ssl=1\" data-orig-size=\"575,573\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"lyzwa dwa\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/lyzwa-dwa.jpg?fit=575%2C573&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/lyzwa-dwa.jpg?resize=575%2C573&#038;ssl=1\" alt=\"Vincolo orizzontale del pattino, SolverEdu\" class=\"wp-image-1046\" style=\"width:244px;height:auto\" srcset=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/lyzwa-dwa.jpg?w=575&amp;ssl=1 575w, https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/lyzwa-dwa.jpg?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/lyzwa-dwa.jpg?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/lyzwa-dwa.jpg?resize=400%2C400&amp;ssl=1 400w, https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/lyzwa-dwa.jpg?resize=200%2C200&amp;ssl=1 200w\" sizes=\"auto, (max-width: 575px) 100vw, 575px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"co3h9\">Anche al pattino orizzontale vengono sottratti due gradi di libert\u00e0, con la differenza che ha una reazione e un momento verticali. Questo supporto non ha movimento e rotazione verticale.<\/p>\n\n\n\n<h2 id=\"Przegub\" class=\"wp-block-heading has-medium-font-size\"><strong>Giunto<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"370\" height=\"360\" data-attachment-id=\"1047\" data-permalink=\"https:\/\/solveredu.com\/it\/post\/reakcje-podporowe\/przegub\/\" data-orig-file=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/przegub.jpg?fit=370%2C360&amp;ssl=1\" data-orig-size=\"370,360\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"przegub\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/przegub.jpg?fit=370%2C360&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/przegub.jpg?resize=370%2C360&#038;ssl=1\" alt=\"cerniera, Solveredu\" class=\"wp-image-1047\" style=\"width:244px;height:auto\" srcset=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/przegub.jpg?w=370&amp;ssl=1 370w, https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/przegub.jpg?resize=300%2C292&amp;ssl=1 300w\" sizes=\"auto, (max-width: 370px) 100vw, 370px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"14bua\">E infine, il giunto. Quanti gradi di libert\u00e0 toglie il giunto? Come si pu\u00f2 vedere nella figura precedente, ci sono due gradi di libert\u00e0. La reazione orizzontale e verticale, come in un supporto a perno non scorrevole.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>W tym wpisie dowiesz si\u0119: \u200bReakcja podporowa, znana r\u00f3wnie\u017c jako reakcja w miejscu podparcia, to si\u0142a w postaci wektora, kt\u00f3ra wyst\u0119puje w punkcie po\u0142\u0105czenia cia\u0142a (np. belki, ramy lub kratownicy) z jego podpor\u0105, gdy zostaje ono od\u0142\u0105czone od tej podpory. Wszystko zaczyna si\u0119 od zasad dynamiki Newtona&#8230; Ale, \u017ceby za bardzo nie przynudza\u0107 przywo\u0142a\u0142em poni\u017cej [&hellip;]<\/p>\n","protected":false},"author":255930052,"featured_media":1034,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_crdt_document":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"_wpas_customize_per_network":false,"jetpack_post_was_ever_published":true},"categories":[14806],"tags":[],"class_list":["post-1030","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bez-kategorii-pl"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/reakcje-podporowe-akcja-reakcja-e1742144899933.png?fit=353%2C259&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/pg3flK-gC","jetpack-related-posts":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/solveredu.com\/it\/wp-json\/wp\/v2\/posts\/1030","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/solveredu.com\/it\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/solveredu.com\/it\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/solveredu.com\/it\/wp-json\/wp\/v2\/users\/255930052"}],"replies":[{"embeddable":true,"href":"https:\/\/solveredu.com\/it\/wp-json\/wp\/v2\/comments?post=1030"}],"version-history":[{"count":18,"href":"https:\/\/solveredu.com\/it\/wp-json\/wp\/v2\/posts\/1030\/revisions"}],"predecessor-version":[{"id":3071,"href":"https:\/\/solveredu.com\/it\/wp-json\/wp\/v2\/posts\/1030\/revisions\/3071"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/solveredu.com\/it\/wp-json\/wp\/v2\/media\/1034"}],"wp:attachment":[{"href":"https:\/\/solveredu.com\/it\/wp-json\/wp\/v2\/media?parent=1030"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/solveredu.com\/it\/wp-json\/wp\/v2\/categories?post=1030"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/solveredu.com\/it\/wp-json\/wp\/v2\/tags?post=1030"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}