{"id":6918,"date":"2026-02-24T13:12:43","date_gmt":"2026-02-24T13:12:43","guid":{"rendered":"https:\/\/www.chennaineet.com\/blog\/?p=6918"},"modified":"2026-02-25T10:40:43","modified_gmt":"2026-02-25T10:40:43","slug":"ncert-class-11-physics-motion-in-a-straight-line","status":"publish","type":"post","link":"https:\/\/www.chennaineet.com\/blog\/ncert-class-11-physics-motion-in-a-straight-line\/","title":{"rendered":"NCERT Book for Class 11 Physics Part 1 \u2013 (Chapter 3 \u2013 Motion In A Straight Line)"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Chapter 3 \u2013 Motion In A Straight Line<\/h2>\n\n\n\n<p>Motion in a Straight Line is a fundamental chapter in Class 11 Physics that deals with one-dimensional motion. It introduces basic concepts such as <strong>distance, displacement, speed, velocity, and acceleration<\/strong>, and clearly explains the difference between scalar and vector quantities. Understanding these definitions is essential for solving numerical problems accurately.<\/p>\n\n\n\n<p>The chapter also covers <strong>uniform and non-uniform motion<\/strong>, graphical analysis using <strong>position\u2013time and velocity\u2013time graphs<\/strong>, and the three important <strong>equations of motion<\/strong> for uniformly accelerated motion. These concepts form the foundation for advanced topics in mechanics and are highly important for CBSE board exams as well as competitive exams like <a href=\"https:\/\/www.wikitechy.com\/what-are-the-most-highly-rated-neet-video-lecture-providers-in-2026\/\" target=\"_blank\" rel=\"noopener\">NEET<\/a> and JEE.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">NCERT Class 11 Physics motion in a straight line<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"793\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-1-793x1024.jpg\" alt=\"\" class=\"wp-image-6925\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-1-793x1024.jpg 793w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-1-232x300.jpg 232w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-1-768x991.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-1-1190x1536.jpg 1190w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-1-440x568.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-1-680x878.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-1.jpg 1368w\" sizes=\"(max-width: 793px) 100vw, 793px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"793\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-2-793x1024.jpg\" alt=\"\" class=\"wp-image-6926\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-2-793x1024.jpg 793w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-2-232x300.jpg 232w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-2-768x991.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-2-1190x1536.jpg 1190w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-2-440x568.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-2-680x878.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-2.jpg 1368w\" sizes=\"(max-width: 793px) 100vw, 793px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"793\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-3-793x1024.jpg\" alt=\"\" class=\"wp-image-6927\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-3-793x1024.jpg 793w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-3-232x300.jpg 232w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-3-768x991.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-3-1190x1536.jpg 1190w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-3-440x568.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-3-680x878.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-3.jpg 1368w\" sizes=\"(max-width: 793px) 100vw, 793px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"793\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-4-793x1024.jpg\" alt=\"\" class=\"wp-image-6928\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-4-793x1024.jpg 793w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-4-232x300.jpg 232w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-4-768x991.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-4-1190x1536.jpg 1190w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-4-440x568.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-4-680x878.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-4.jpg 1368w\" sizes=\"(max-width: 793px) 100vw, 793px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"793\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-5-793x1024.jpg\" alt=\"\" class=\"wp-image-6929\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-5-793x1024.jpg 793w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-5-232x300.jpg 232w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-5-768x991.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-5-1190x1536.jpg 1190w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-5-440x568.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-5-680x878.jpg 680w, 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src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-9-793x1024.jpg\" alt=\"\" class=\"wp-image-6933\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-9-793x1024.jpg 793w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-9-232x300.jpg 232w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-9-768x991.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-9-1190x1536.jpg 1190w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-9-440x568.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-9-680x878.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-9.jpg 1368w\" sizes=\"(max-width: 793px) 100vw, 793px\" 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srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-13-793x1024.jpg 793w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-13-232x300.jpg 232w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-13-768x991.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-13-1190x1536.jpg 1190w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-13-440x568.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-13-680x878.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-13.jpg 1368w\" sizes=\"(max-width: 793px) 100vw, 793px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"793\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-14-793x1024.jpg\" alt=\"\" class=\"wp-image-6938\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-14-793x1024.jpg 793w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-14-232x300.jpg 232w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-14-768x991.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-14-1190x1536.jpg 1190w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-14-440x568.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-14-680x878.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-14.jpg 1368w\" sizes=\"(max-width: 793px) 100vw, 793px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"793\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-15-793x1024.jpg\" alt=\"\" class=\"wp-image-6939\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-15-793x1024.jpg 793w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-15-232x300.jpg 232w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-15-768x991.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-15-1190x1536.jpg 1190w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-15-440x568.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-15-680x878.jpg 680w, 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srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-23-793x1024.jpg 793w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-23-232x300.jpg 232w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-23-768x991.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-23-1190x1536.jpg 1190w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-23-440x568.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-23-680x878.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-23.jpg 1368w\" sizes=\"(max-width: 793px) 100vw, 793px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"793\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-24-793x1024.jpg\" alt=\"\" class=\"wp-image-6948\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-24-793x1024.jpg 793w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-24-232x300.jpg 232w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-24-768x991.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-24-1190x1536.jpg 1190w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-24-440x568.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-24-680x878.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-24.jpg 1368w\" sizes=\"(max-width: 793px) 100vw, 793px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"793\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-25-793x1024.jpg\" alt=\"\" class=\"wp-image-6949\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-25-793x1024.jpg 793w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-25-232x300.jpg 232w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-25-768x991.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-25-1190x1536.jpg 1190w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-25-440x568.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-25-680x878.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-25.jpg 1368w\" sizes=\"(max-width: 793px) 100vw, 793px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"793\" height=\"1024\" src=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-26-793x1024.jpg\" alt=\"\" class=\"wp-image-6950\" srcset=\"https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-26-793x1024.jpg 793w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-26-232x300.jpg 232w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-26-768x991.jpg 768w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-26-1190x1536.jpg 1190w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-26-440x568.jpg 440w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-26-680x878.jpg 680w, https:\/\/www.chennaineet.com\/blog\/wp-content\/uploads\/2026\/02\/Motion-In-A-Straight-Line-26.jpg 1368w\" sizes=\"(max-width: 793px) 100vw, 793px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><a href=\"https:\/\/www.chennaineet.com\/blog\/motion-in-a-plane-class-11-ncert\/\">Chapter 4 &#8211; Motion In A Plane<\/a><\/strong><\/li>\n<\/ul>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Chapter 3 \u2013 Motion In A Straight Line Motion in a Straight Line is a fundamental chapter in Class 11 Physics that deals with one-dimensional motion. It introduces basic concepts such as distance, displacement, speed, velocity, and acceleration, and clearly explains the difference between scalar and vector quantities. Understanding these definitions is essential for solving [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":6952,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[134,137],"tags":[641,642,646,647,643,640,645,644],"class_list":["post-6918","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ncert-book","category-neet-physics","tag-class-11-physics-ncert-solutions-chapter-3-motion-in-a-plane","tag-motion-in-a-straight-line-class-11","tag-motion-in-a-straight-line-class-11-questions-and-answers","tag-motion-in-straight-line-class-11-notes-pdf","tag-ncert-class-11-physics-chapter-3-exercise-solutions-pdf-download","tag-ncert-class-11-physics-motion-in-a-straight-line-pdf","tag-physics-chapter-3-class-11-pdf","tag-physics-ncert-class-11-pdf-part-1"],"_links":{"self":[{"href":"https:\/\/www.chennaineet.com\/blog\/wp-json\/wp\/v2\/posts\/6918","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.chennaineet.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.chennaineet.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.chennaineet.com\/blog\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.chennaineet.com\/blog\/wp-json\/wp\/v2\/comments?post=6918"}],"version-history":[{"count":2,"href":"https:\/\/www.chennaineet.com\/blog\/wp-json\/wp\/v2\/posts\/6918\/revisions"}],"predecessor-version":[{"id":6981,"href":"https:\/\/www.chennaineet.com\/blog\/wp-json\/wp\/v2\/posts\/6918\/revisions\/6981"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.chennaineet.com\/blog\/wp-json\/wp\/v2\/media\/6952"}],"wp:attachment":[{"href":"https:\/\/www.chennaineet.com\/blog\/wp-json\/wp\/v2\/media?parent=6918"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.chennaineet.com\/blog\/wp-json\/wp\/v2\/categories?post=6918"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.chennaineet.com\/blog\/wp-json\/wp\/v2\/tags?post=6918"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}