{"id":55858,"date":"2023-05-22T16:43:00","date_gmt":"2023-05-22T11:13:00","guid":{"rendered":"https:\/\/www.kopykitab.com\/blog\/?p=55858"},"modified":"2025-07-12T11:57:18","modified_gmt":"2025-07-12T06:27:18","slug":"ncert-solutions-for-class-11-physics-chapter-3-motion-in-a-straight-line","status":"publish","type":"post","link":"https:\/\/www.kopykitab.com\/blog\/ncert-solutions-for-class-11-physics-chapter-3-motion-in-a-straight-line\/","title":{"rendered":"Class 11 Physics Chapter 3 NCERT Solutions (Updated for 2026)"},"content":{"rendered":"\n<p><img class=\"alignnone size-full wp-image-108635\" src=\"https:\/\/www.kopykitab.com\/blog\/wp-content\/uploads\/2020\/09\/NCERT-Solutions-For-Class-11-Physics-Chapter-3-Motion-in-a-Straight-Line.png\" alt=\"NCERT Solutions for Class 11 Physics Chapter 3\" width=\"1200\" height=\"675\" srcset=\"https:\/\/www.kopykitab.com\/blog\/wp-content\/uploads\/2020\/09\/NCERT-Solutions-For-Class-11-Physics-Chapter-3-Motion-in-a-Straight-Line.png 1200w, https:\/\/www.kopykitab.com\/blog\/wp-content\/uploads\/2020\/09\/NCERT-Solutions-For-Class-11-Physics-Chapter-3-Motion-in-a-Straight-Line-768x432.png 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<p><strong>NCERT Solutions for Class 11 Physics Chapter 3:<\/strong> One of the essential concepts for CBSE class 11 Physics is \u2018kinematics.\u2019 And one of the topics that hold prominence under kinematics is motion. The chapter, \u2018Motion in a Straight Line,\u2019 introduces students to motion and other allied concepts. While you would know what motion is by now, the chapter talks about concepts related to linear motion. In this blog, you will learn about&nbsp;NCERT Solutions for Class 11 Physics Chapter 3 Motion in A Straight Line.<\/p>\n<ul>\n<li><a href=\"https:\/\/www.kopykitab.com\/blog\/cbse-class-11-physics-ncert-solutions\/\" target=\"_blank\" rel=\"noopener noreferrer\">NCERT Solutions For 11th Physics All Chapters<\/a><\/li>\n<\/ul>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_47_1 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"ez-toc-toggle-icon-1\"><label for=\"item-69eb9675d4708\" aria-label=\"Table of Content\"><span style=\"display: flex;align-items: center;width: 35px;height: 30px;justify-content: center;direction:ltr;\"><svg style=\"fill: #000000;color:#000000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #000000;color:#000000\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/label><input  type=\"checkbox\" id=\"item-69eb9675d4708\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-visibility-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.kopykitab.com\/blog\/ncert-solutions-for-class-11-physics-chapter-3-motion-in-a-straight-line\/#ncert-solutions-for-class-11-physics-chapter-3-motion-in-a-straight-line-class-11-physics-chapter-3-ncert-solutions\" title=\"NCERT Solutions for Class 11 Physics Chapter 3 Motion in A Straight Line | Class 11 Physics Chapter 3 NCERT Solutions\">NCERT Solutions for Class 11 Physics Chapter 3 Motion in A Straight Line | Class 11 Physics Chapter 3 NCERT Solutions<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.kopykitab.com\/blog\/ncert-solutions-for-class-11-physics-chapter-3-motion-in-a-straight-line\/#download-class-11-physics-chapter-3-ncert-solutions-free-pdf\" title=\"Download Class 11 Physics Chapter 3 NCERT Solutions Free PDF\">Download Class 11 Physics Chapter 3 NCERT Solutions Free PDF<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.kopykitab.com\/blog\/ncert-solutions-for-class-11-physics-chapter-3-motion-in-a-straight-line\/#what-will-you-learn-in-cbse-class-11-physics-chapter-3-motion-in-a-straight-line\" title=\"What will you learn in CBSE Class 11 Physics Chapter 3 Motion in A Straight Line?\">What will you learn in CBSE Class 11 Physics Chapter 3 Motion in A Straight Line?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.kopykitab.com\/blog\/ncert-solutions-for-class-11-physics-chapter-3-motion-in-a-straight-line\/#subtopics-of-class-11-physics-chapter-3-motion-in-a-straight-line-chapters-under-kinematics-class-11-ncert\" title=\"Subtopics of Class 11 Physics Chapter 3 Motion in a Straight Line | Chapters Under Kinematics Class 11 NCERT\">Subtopics of Class 11 Physics Chapter 3 Motion in a Straight Line | Chapters Under Kinematics Class 11 NCERT<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.kopykitab.com\/blog\/ncert-solutions-for-class-11-physics-chapter-3-motion-in-a-straight-line\/#important-formulae-and-theorems\" title=\"Important Formulae and Theorems\">Important Formulae and Theorems<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.kopykitab.com\/blog\/ncert-solutions-for-class-11-physics-chapter-3-motion-in-a-straight-line\/#faqs-on-class-11-physics-chapter-3-ncert-solutions\" title=\"FAQs on Class 11 Physics Chapter 3 NCERT Solutions\">FAQs on Class 11 Physics Chapter 3 NCERT Solutions<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.kopykitab.com\/blog\/ncert-solutions-for-class-11-physics-chapter-3-motion-in-a-straight-line\/#when-studying-for-the-exams-why-should-i-use-the-ncert-solutions-for-class-11-physics-chapter-3\" title=\"When studying for the exams, why should I use the NCERT Solutions for Class 11 Physics Chapter 3?\">When studying for the exams, why should I use the NCERT Solutions for Class 11 Physics Chapter 3?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.kopykitab.com\/blog\/ncert-solutions-for-class-11-physics-chapter-3-motion-in-a-straight-line\/#what-are-the-topics-covered-under-chapter-3-of-ncert-solutions-for-class-11-physics\" title=\"What are the topics covered under Chapter 3 of NCERT Solutions for Class 11 Physics?\">What are the topics covered under Chapter 3 of NCERT Solutions for Class 11 Physics?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.kopykitab.com\/blog\/ncert-solutions-for-class-11-physics-chapter-3-motion-in-a-straight-line\/#in-chapter-3-of-ncert-solutions-for-class-11-physics-what-does-acceleration-mean\" title=\"In Chapter 3 of NCERT Solutions for Class 11 Physics, what does acceleration mean?\">In Chapter 3 of NCERT Solutions for Class 11 Physics, what does acceleration mean?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.kopykitab.com\/blog\/ncert-solutions-for-class-11-physics-chapter-3-motion-in-a-straight-line\/#where-can-i-download-ncert-solutions-for-class-11-physics-chapter-3-free-pdf\" title=\"Where can I download NCERT Solutions for Class 11 Physics Chapter 3 Free PDF?\">Where can I download NCERT Solutions for Class 11 Physics Chapter 3 Free PDF?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"ncert-solutions-for-class-11-physics-chapter-3-motion-in-a-straight-line-class-11-physics-chapter-3-ncert-solutions\"><\/span>NCERT Solutions for Class 11 Physics Chapter 3 Motion in A Straight Line | Class 11 Physics Chapter 3 NCERT Solutions<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><a href=\"https:\/\/www.kopykitab.com\/blog\/wp-content\/uploads\/2021\/07\/NCERT-Solutions-For-Class-11-Physics-Chapter-3-1.pdf\">Motion In A Straight Line NCERT Solutions<\/a><\/p>\n<div id=\"example1\" style=\"text-align: justify;\">&nbsp;<\/div>\n<p style=\"text-align: justify;\"><style>\n.pdfobject-container { height: 800px;}<br \/>\n.pdfobject { border: 1px solid #666; }<br \/>\n<\/style><\/p>\n<p style=\"text-align: justify;\"><script src=\"https:\/\/www.kopykitab.com\/_utility\/js\/pdfobject.min.js\"><\/script><br><script>PDFObject.embed(\"https:\/\/www.kopykitab.com\/blog\/wp-content\/uploads\/2021\/07\/NCERT-Solutions-For-Class-11-Physics-Chapter-3-1.pdf\", \"#example1\");<\/script><\/p>\n<p>NCERT designs solutions for CBSE class 11 Physics. Motion in a straight line or linear motion is also one of the essential concepts in Physics. The chapter consists of a wide range of topics related to motion, including position, path length, displacement, and more. The solutions are easy to understand. So, students can depend on them to score well in their examinations. The chapter carries 23 marks in the final exams, and thus, is an important one.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"download-class-11-physics-chapter-3-ncert-solutions-free-pdf\"><\/span>Download Class 11 Physics Chapter 3 NCERT Solutions Free PDF<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>You can download&nbsp;CBSE NCERT Solutions for Class 11 Physics Chapter 3 Motion in A Straight Line&nbsp;from below.<\/p>\n<p style=\"margin-top: 24px; text-align: center;\"><a style=\"display: inline-block; width: auto; padding: 18px; cursor: pointer; font-weight: bold; border-radius: 40px; text-decoration-line: underline; color: #ffffff; background: #ff4500; box-shadow: rgba(0, 0, 0, 0.25) 0px 2px 6px 0px;\" href=\"https:\/\/www.kopykitab.com\/blog\/wp-content\/uploads\/2021\/07\/NCERT-Solutions-For-Class-11-Physics-Chapter-3-1.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">Download NCERT Class 11 Physics&nbsp;Chapter 3 Solutions<\/a><\/p>\n<h2><span class=\"ez-toc-section\" id=\"what-will-you-learn-in-cbse-class-11-physics-chapter-3-motion-in-a-straight-line\"><\/span>What will you learn in CBSE Class 11 Physics Chapter 3 Motion in A Straight Line?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>NCERT Solutions for Physics for CBSE class 11 explain the concepts of linear motion straightforwardly so that students can better understand them. The chapter starts with a brief introduction to motion and goes on to talk about various other related aspects, such as position, path length, displacement, speed, and velocity.<\/p>\n<p>The solutions also have exercise questions. And teachers recommend to the students to answer them so that they get enough practice.<\/p>\n<p>The chapter has seven different sections, including the introduction. While the second section covers path length displacement and position, the third section tells students about average speed and velocity. Similarly, the fourth section talks about instantaneous speed and velocity, while section five is all about the concept of \u2018acceleration.\u2019<\/p>\n<p>Likewise, the last two sections of the chapter cover equations in kinematics related to acceleration and relative velocity, respectively.<\/p>\n<p>Besides this, the chapter also gives the graphical representation of linear motion and asks students to calculate the speed, distance, velocity, and acceleration. Other concepts like the difference between the total distance covered and the magnitude of displacement also find their places in the chapter.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"subtopics-of-class-11-physics-chapter-3-motion-in-a-straight-line-chapters-under-kinematics-class-11-ncert\"><\/span>Subtopics of Class 11 Physics Chapter 3 Motion in a Straight Line | Chapters Under Kinematics Class 11 NCERT<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ol>\n<li>Introduction<\/li>\n<li>Position, path length and displacement<\/li>\n<li>Average velocity and average speed<\/li>\n<li>Instantaneous velocity and speed<\/li>\n<li>Acceleration<\/li>\n<li>Kinematic equations for uniformly accelerated motion<\/li>\n<li>Relative velocity<\/li>\n<\/ol>\n<h2><span class=\"ez-toc-section\" id=\"important-formulae-and-theorems\"><\/span>Important Formulae and Theorems<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The formulae used throughout the chapter are in line with the concepts discussed, such as velocity, speed, distance, and acceleration. However, some are more important than others, and so, we have given them in the following section.<\/p>\n<p>For instance, to find the relative speed of an object, you can make use of the following formula.<\/p>\n<p>V<sub>c<\/sub> = V<sub>OE<\/sub> \u2013 V<sub>E<\/sub><\/p>\n<p>In the above formula,<\/p>\n<p>V<sub>C<\/sub> is the speed of the object we must find.<\/p>\n<p>V<sub>E <\/sub>is the speed of another object with respect to the speed of the object we must find.<\/p>\n<p>V<sub>OE <\/sub>is the speed of the other object with respect to an observer.<\/p>\n<p>Similarly, there is also one other formula to find the final velocity of a moving object, which is as follows.<\/p>\n<p>V = u + at<\/p>\n<p>In this formula,<\/p>\n<p>\u2018V\u2019 is the final velocity of the moving object.<\/p>\n<p>\u2018u\u2019 is the initial velocity of the moving object.<\/p>\n<p>\u2018a\u2019 is the acceleration.<\/p>\n<p>\u2018t\u2019 is the time taken.<\/p>\n<p>NCERT solutions concisely explain different concepts related to linear motion. So, by going through them, students can become thorough with each concept in the chapter. Linear motion is one of the most fundamental concepts in Physics. Only by understanding it thoroughly can you be clear with other, more complex ideas.<\/p>\n<p>We have covered the complete guide on&nbsp;<a href=\"http:\/\/cbse.nic.in\/\" target=\"_blank\" rel=\"noopener noreferrer\">CBSE<\/a>&nbsp;NCERT Solutions for Class 11 Physics Chapter 3 Motion in A Straight Line. Feel free to ask us any questions in the comment section below.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"faqs-on-class-11-physics-chapter-3-ncert-solutions\"><\/span><strong>FAQs on Class 11 Physics Chapter 3 NCERT Solutions<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n<div id=\"rank-math-faq\" class=\"rank-math-block\">\n<div class=\"rank-math-list \">\n<div id=\"faq-question-1627276051994\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><span class=\"ez-toc-section\" id=\"when-studying-for-the-exams-why-should-i-use-the-ncert-solutions-for-class-11-physics-chapter-3\"><\/span>When studying for the exams, why should I use the NCERT Solutions for Class 11 Physics Chapter 3?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Students can use the NCERT Solutions for Class 11 Physics Chapter 3 Motion in a Straight Line to get straightforward and step-by-step answers to questions from the textbook. The answers are useful in understanding how to answer questions in the board exams.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1627276114962\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><span class=\"ez-toc-section\" id=\"what-are-the-topics-covered-under-chapter-3-of-ncert-solutions-for-class-11-physics\"><\/span>What are the topics covered under Chapter 3 of NCERT Solutions for Class 11 Physics?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>The topics covered under Chapter 3 of NCERT Solutions for Class 11 Physics are listed in the above article.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1627276182532\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><span class=\"ez-toc-section\" id=\"in-chapter-3-of-ncert-solutions-for-class-11-physics-what-does-acceleration-mean\"><\/span>In Chapter 3 of NCERT Solutions for Class 11 Physics, what does acceleration mean?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>The rate of change of velocity with respect to time is known as acceleration. Because it has both magnitude and direction, acceleration is a vector quantity. It is also known as the first derivative of velocity with respect to time or the second derivative of position with respect to time.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1627276220819\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><span class=\"ez-toc-section\" id=\"where-can-i-download-ncert-solutions-for-class-11-physics-chapter-3-free-pdf\"><\/span>Where can I download NCERT Solutions for Class 11 Physics Chapter 3 Free PDF?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>You can download NCERT Solutions for Class 11 Physics Chapter 3 Free PDF from the above blog.<\/p>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n","protected":false},"excerpt":{"rendered":"<p>NCERT Solutions for Class 11 Physics Chapter 3: One of the essential concepts for CBSE class 11 Physics is \u2018kinematics.\u2019 And one of the topics that hold prominence under kinematics is motion. The chapter, \u2018Motion in a Straight Line,\u2019 introduces students to motion and other allied concepts. While you would know what motion is by &#8230; <a title=\"Class 11 Physics Chapter 3 NCERT Solutions (Updated for 2026)\" class=\"read-more\" href=\"https:\/\/www.kopykitab.com\/blog\/ncert-solutions-for-class-11-physics-chapter-3-motion-in-a-straight-line\/\" aria-label=\"More on Class 11 Physics Chapter 3 NCERT Solutions (Updated for 2026)\">Read more<\/a><\/p>\n","protected":false},"author":249,"featured_media":108635,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":""},"categories":[2934,73694],"tags":[3428,76447],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/posts\/55858"}],"collection":[{"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/users\/249"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/comments?post=55858"}],"version-history":[{"count":5,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/posts\/55858\/revisions"}],"predecessor-version":[{"id":574314,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/posts\/55858\/revisions\/574314"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/media\/108635"}],"wp:attachment":[{"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/media?parent=55858"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/categories?post=55858"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/tags?post=55858"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}