{"id":7453,"date":"2019-05-22T15:57:02","date_gmt":"2019-05-22T15:57:02","guid":{"rendered":"http:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/center_of_mass\/"},"modified":"2019-05-22T15:57:02","modified_gmt":"2019-05-22T15:57:02","slug":"center_of_mass","status":"publish","type":"post","link":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/center_of_mass\/","title":{"rendered":"Center of mass"},"content":{"rendered":"<p>The point at which the mass of a rigid body can be considered to be concentrated. &nbsp;More technically, it is the point from which the sum of the moments of inertia of all parts of the body is zero. &nbsp;The centre of mass is not always located in the body as it is dependent of posture for its location (see figure below).<\/p>\n<p class=\"\" style=\"text-align: center;\">\n<p><img decoding=\"async\" src=\"..\/wp-content\/uploads\/2019\/05\/image046.png\" \/><\/div>\n<\/div>\n<p class=\"\" style=\"text-align: center;\">The centre of mass (\u25cf) is located in the body when it is the vertical position (A), but falls out the body when one leans forward (B)<\/p>\n<p>See <a href=\"biomechanics\">Biomechanics<\/a>, <a href=\"center_of_gravity\">Center of gravity<\/a>, <a href=\"inertia\">Inertia<\/a>, <a href=\"mass\">Mass<\/a>, <a href=\"moment_of_inertia_-i-\">Moment of inertia (I)<\/a>, <a href=\"newtonian_-or_classical-_mechanics\">Newtonian (or classical) mechanics<\/a>, <a href=\"newton-s_law_of_universal_gravitation\">Newton&#8217;s law of universal gravitation<\/a>, <a href=\"posture\">Posture<\/a>, Postural control<\/p>\n<p><\/body><\/html><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The point at which the mass of a rigid body can be considered to be concentrated. &nbsp;More technically, it is the point from which the sum of the moments of inertia of all parts of the body is zero. &nbsp;The centre of mass is not always located in the body as it is dependent of &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/center_of_mass\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Center of mass&#8221;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[2],"class_list":["post-7453","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-glossary","entry"],"_links":{"self":[{"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/posts\/7453","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/comments?post=7453"}],"version-history":[{"count":0,"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/posts\/7453\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/media?parent=7453"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/categories?post=7453"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/tags?post=7453"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}