{"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":"support-reactions","status":"publish","type":"post","link":"https:\/\/solveredu.com\/en\/post\/reakcje-podporowe\/","title":{"rendered":"Reaction forces"},"content":{"rendered":"<p class=\"wp-block-paragraph\" id=\"e3e8n\">In this post you will learn:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><a href=\"#e3e8n\">What are the support reactions.<\/a><\/li>\n\n\n\n<li><a href=\"#4r3hd\">Types of supports and their support reactions<\/a>\n<ul class=\"wp-block-list\">\n<li><a href=\"#ugv3\">Pin support<\/a><\/li>\n\n\n\n<li><a href=\"#6ohc8\">Roller support<\/a><\/li>\n\n\n\n<li><a href=\"#1cifi\">Fix support<\/a><\/li>\n\n\n\n<li><a href=\"#bejl7\">Sliding bracket - vertical skate<\/a><\/li>\n\n\n\n<li><a href=\"#ea530\">Sliding bracket - horizontal skate<\/a><\/li>\n\n\n\n<li><a href=\"#Przegub\">Joint<\/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>The support reaction, also known as the reaction at the point of support, is a force in the form of a vector that occurs at the point where a body (such as a beam, frame or truss) is connected to its support when it is disconnected from that support.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"32uml\">It all starts with Newton's principles of dynamics... But, so as not to bore you too much I have recalled below the short definition he gives <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\">If body A acts on body B with a force F (action), then body B acts on body A with a force (reaction) of the same value and direction, but with opposite direction.<\/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\/en\/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=\"Action reaction, second principle of dynamics, SolverEdu\" class=\"wp-image-1034\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"6skl5\">That is, if we press on the support with some force or moment, then the support gives us back. And this force with which the support gives us back is just <strong>reaction.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"9fok1\">Thanks to the fact that the forces of interaction balance each other, we can talk about static, that is, the body remains at rest.<\/p>\n\n\n\n<h1 id=\"4r3hd\" class=\"wp-block-heading has-large-font-size\"><strong>Types of supports and their support reactions<\/strong><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"dmerl\">Mechanics defines the reactions of supports depending on the type of support. Below you will find a description of the most common types of supports.<\/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>You can find all the supports listed below in the app <strong><a href=\"https:\/\/solveredu.com\/en\/beam-calculator\/\">Beam calculator <\/a><\/strong>Where you can test ways to support beam systems and get a complete step-by-step beam solution.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 id=\"ugv3\" class=\"wp-block-heading has-medium-font-size\"><strong>Pin support<\/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\/en\/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=\"Non-sliding pivot support, SolverEdu\" class=\"wp-image-1035\" style=\"width:200px;height:auto\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"3b8eg\">The first type of support we will discuss is a non-sliding (fixed) pivot support. Such a support blocks our ability to move horizontally (x-axis) and vertically (y-axis). There is, however, the possibility of rotation around the joint. That is why it is called a support <strong>articulated<\/strong> non-sliding. The circle at the top of the triangle in which the reactions are hooked is the joint.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"5bbvj\">You often ask if it matters which way the reaction feedback takes (which way the arrow of the force vector is pointing)?<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>We can assume any turn we want, the important thing is that there is a constant direction.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 id=\"6ohc8\" class=\"wp-block-heading has-medium-font-size\"><strong>Roller support<\/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\/en\/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=\"Sliding joint support, 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\">Another type of support is the sliding pivot support. In this support we have one reaction in the vertical direction. It is in this direction that no movement is possible. The horizontal direction is freed, which is symbolized by the gap between the ground and the support or the circles symbolizing the possibility of movement.<\/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\/en\/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=\"Articulated sliding support, not 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>You may encounter in tasks with a support rotated by some angle. Then remember to turn the direction of the reaction perpendicular to the ground of the support, as I have shown in the figure above.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 id=\"1cifi\" class=\"wp-block-heading has-medium-font-size\"><strong>Fix support<\/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\/en\/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=\"Restraint, 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\">Restraint is another type of support you may encounter. Here, in addition to blocking movement in the vertical and horizontal directions, the possibility of rotation at the point of restraint is blocked. In restraint we have three degrees of freedom taken away, so we have three reactions: horizontal, vertical and moment.<\/p>\n\n\n\n<h2 id=\"bejl7\" class=\"wp-block-heading has-medium-font-size\"><strong>Sliding bracket - vertical skate<\/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\/en\/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=\"Vertical skate restraint, 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\">The vertical skate is a support much less common in mechanics assignments. The vertical skate has two degrees of freedom taken away through horizontal reaction and moment. This support does not have the ability to move horizontally and rotate.<\/p>\n\n\n\n<h2 id=\"ea530\" class=\"wp-block-heading has-medium-font-size\"><strong>Sliding bracket - horizontal skate<\/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\/en\/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=\"Horizontal skate restraint, 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\">The horizontal skate also has two degrees of freedom taken away from it, with the difference that it has vertical reaction and moment. This support does not have vertical movement and rotation.<\/p>\n\n\n\n<h2 id=\"Przegub\" class=\"wp-block-heading has-medium-font-size\"><strong>Joint<\/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\/en\/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=\"joint, 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\">And finally, the joint. How many degrees of freedom does the joint take away? As you can see in the figure above there are two degrees of freedom. Horizontal and vertical reaction just like in a non-sliding pivot support.<\/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":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_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},"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\/en\/wp-json\/wp\/v2\/posts\/1030","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/solveredu.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/solveredu.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/solveredu.com\/en\/wp-json\/wp\/v2\/users\/255930052"}],"replies":[{"embeddable":true,"href":"https:\/\/solveredu.com\/en\/wp-json\/wp\/v2\/comments?post=1030"}],"version-history":[{"count":18,"href":"https:\/\/solveredu.com\/en\/wp-json\/wp\/v2\/posts\/1030\/revisions"}],"predecessor-version":[{"id":3071,"href":"https:\/\/solveredu.com\/en\/wp-json\/wp\/v2\/posts\/1030\/revisions\/3071"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/solveredu.com\/en\/wp-json\/wp\/v2\/media\/1034"}],"wp:attachment":[{"href":"https:\/\/solveredu.com\/en\/wp-json\/wp\/v2\/media?parent=1030"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/solveredu.com\/en\/wp-json\/wp\/v2\/categories?post=1030"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/solveredu.com\/en\/wp-json\/wp\/v2\/tags?post=1030"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}