{"id":752807,"date":"2025-01-14T16:22:59","date_gmt":"2025-01-14T10:52:59","guid":{"rendered":"https:\/\/infinitylearn.com\/surge\/?p=752807"},"modified":"2025-07-30T14:54:15","modified_gmt":"2025-07-30T09:24:15","slug":"system-of-particles-and-rotational-motion-mcq-class-11-physics","status":"publish","type":"post","link":"https:\/\/infinitylearn.com\/surge\/mcqs\/class-11-physics-system-of-particles-and-rotational-motion\/","title":{"rendered":"System of Particles and Rotational Motion MCQ Class 11 Physics"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_37 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\" style=\"display: none;\"><label for=\"item\" aria-label=\"Table of Content\"><span style=\"display: flex;align-items: center;width: 35px;height: 30px;justify-content: center;\"><svg style=\"fill: #999;color:#999\" 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: #999;color:#999\" 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\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' style='display:block'><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/infinitylearn.com\/surge\/mcqs\/class-11-physics-system-of-particles-and-rotational-motion\/#Class_11_System_of_Particles_and_Rotational_Motion_Overview\" title=\"Class 11 System of Particles and Rotational Motion Overview\">Class 11 System of Particles and Rotational Motion Overview<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/infinitylearn.com\/surge\/mcqs\/class-11-physics-system-of-particles-and-rotational-motion\/#Class_11_System_of_Particles_and_Rotational_Motion_MCQ_with_Answers\" title=\"Class 11 System of Particles and Rotational Motion MCQ with Answers\">Class 11 System of Particles and Rotational Motion MCQ with Answers<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/infinitylearn.com\/surge\/mcqs\/class-11-physics-system-of-particles-and-rotational-motion\/#MCQs_on_Class_11_Chapter_7_System_of_Particles_and_Rotational_Motion\" title=\"MCQs on Class 11 Chapter 7: System of Particles and Rotational Motion\">MCQs on Class 11 Chapter 7: System of Particles and Rotational Motion<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/infinitylearn.com\/surge\/mcqs\/class-11-physics-system-of-particles-and-rotational-motion\/#FAQs_on_System_of_Particles_and_Rotational_Motion_MCQ_Class_11_Physics\" title=\"FAQs on System of Particles and Rotational Motion MCQ Class 11 Physics\">FAQs on System of Particles and Rotational Motion MCQ Class 11 Physics<\/a><\/li><\/ul><\/nav><\/div>\n<p>Understanding the System of Particles and Rotational Motion in Class 11 Physics is essential for mastering mechanics. This topic explores concepts like the center of mass, torque, angular momentum, and rotational dynamics, forming the foundation for advanced physics studies. Students often encounter questions on these topics through <strong>system of particles and rotational motion MCQs <\/strong>, which are crucial for competitive exams and board preparation.<\/p>\n<p>Practicing <strong><a href=\"https:\/\/infinitylearn.com\/surge\/mcqs\/class-11-physics\/\">Class 11 Physics MCQs<\/a> on System of Particles and Rotational Motion<\/strong> helps clarify key ideas, such as the moment of inertia, conservation of angular momentum, and rotational equilibrium. For quick revision, students can use rotational motion multiple-choice questions with detailed answers to strengthen their understanding.<\/p>\n<p>Key areas include solving system of particles <a href=\"https:\/\/infinitylearn.com\/surge\/mcqs\/\"><strong>MCQs with answers<\/strong><\/a>, exploring <strong>rotational dynamics quizzes<\/strong>, and tackling System of Particles and Rotational Motion objective questions. These practice materials not only enhance problem-solving skills but also ensure thorough preparation for exams. Dive into this content and master Chapter 7 Physics effectively!<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Class_11_System_of_Particles_and_Rotational_Motion_Overview\"><\/span>Class 11 System of Particles and Rotational Motion Overview<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Class 11 Physics chapter 7 System of Particles and Rotational Motion focuses on the motion of objects as a whole or in parts and introduces the concept of rotational dynamics. It extends our understanding of linear motion to systems of particles and rotating bodies, helping us analyze how objects behave in the physical world.<\/p>\n<p><strong>Center of Mass: <\/strong>The center of mass is the point where the entire mass of a system can be considered to act. It simplifies the study of motion for complex systems by reducing them to a single equivalent point. For example, the center of mass of a uniform rod lies at its midpoint.<\/p>\n<p><strong>Rotational Motion: <\/strong>Unlike translational motion, rotational motion occurs when an object spins about an axis. A familiar example is a spinning top or the wheels of a moving vehicle. To understand this motion, the concepts of angular displacement, angular velocity, and angular acceleration are introduced.<\/p>\n<p><strong>Moment of Inertia: <\/strong>Moment of inertia (MOI) measures how the mass of a body is distributed about the axis of rotation. It plays a role in determining how difficult it is to change an object&#8217;s rotational motion. For instance, a disc and a hoop with the same mass will roll differently due to their distinct moments of inertia.<\/p>\n<p><strong>Torque and Angular Momentum: <\/strong>Torque is the rotational counterpart of force. It is responsible for causing rotational motion. Angular momentum describes the rotational motion of a body and remains conserved if no external torque acts on the system, much like linear momentum in translational motion.<\/p>\n<p><strong>Rolling Motion: <\/strong>Rolling motion combines both translational and rotational motion, as seen in a rolling ball or a car tire. This motion requires understanding the balance between linear and angular velocities.<\/p>\n<p><strong>Applications in Real Life: <\/strong>This chapter explains essential principles behind the functioning of various systems, such as how athletes maintain balance, how wheels and gears operate, and why objects like gyroscopes are used for navigation.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Class_11_System_of_Particles_and_Rotational_Motion_MCQ_with_Answers\"><\/span>Class 11 System of Particles and Rotational Motion MCQ with Answers<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h2><span class=\"ez-toc-section\" id=\"MCQs_on_Class_11_Chapter_7_System_of_Particles_and_Rotational_Motion\"><\/span>MCQs on Class 11 Chapter 7: System of Particles and Rotational Motion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Check the multiple-choice questions for the 11th Class Physics System of Particles and Rotational Motion chapter. Each MCQ has four options, and only one is correct. Select the correct option and check the answer provided.<\/p>\n<p><strong>1. The rotational inertia of a rigid body is referred to as its _________________.<\/strong><\/p>\n<ol style=\"list-style-type: lower-alpha;\">\n<li>Moment of energy<\/li>\n<li>Moment of force<\/li>\n<li>Moment of inertia<\/li>\n<li>Moment of acceleration<\/li>\n<\/ol>\n<p><strong>Answer:<\/strong> (c) Moment of inertia<\/p>\n<p><strong>Explanation:<\/strong> The rotational inertia of a body, also known as the moment of inertia, determines how much resistance the body has to rotational motion. It depends on the mass distribution of the body.<\/p>\n<p><strong>2. If a body is rotating about an axis passing through its centre of mass, the angular momentum of the body is directed along its _________________.<\/strong><\/p>\n<ol style=\"list-style-type: lower-alpha;\">\n<li>Circumference<\/li>\n<li>Radius<\/li>\n<li>Axis of rotation<\/li>\n<li>None of the options<\/li>\n<\/ol>\n<p><strong>Answer:<\/strong> (c) Axis of rotation<\/p>\n<p><strong>Explanation: <\/strong>When a body rotates around an axis passing through its center of mass, its angular momentum is directed along the axis of rotation, following the right-hand rule.<\/p>\n<p><strong>3. Linear velocities of all the particles of the body in rotational motion is _________________.<\/strong><\/p>\n<ol style=\"list-style-type: lower-alpha;\">\n<li>0<\/li>\n<li>Same<\/li>\n<li>Different<\/li>\n<\/ol>\n<p><strong>Answer:<\/strong> (d) Different<\/p>\n<p><strong>Explanation: <\/strong>In rotational motion, the linear velocity of each particle depends on its distance from the axis of rotation. Thus, the linear velocities are different for different particles.<\/p>\n<p><strong>4. The centre of mass of a body<\/strong><\/p>\n<ol style=\"list-style-type: lower-alpha;\">\n<li>lies inside the body<\/li>\n<li>lies outside the body always<\/li>\n<li>lies on the surface of the body always<\/li>\n<li>None of the options<\/li>\n<\/ol>\n<p><strong>Answer:<\/strong> (c) lies on the surface of the body always<\/p>\n<p><strong>Explanation:<\/strong> The centre of mass can lie inside or on the surface of a body depending on its shape and mass distribution, but it doesn&#8217;t necessarily lie outside the body.<\/p>\n<p><strong>5. Centre of mass of an isolated system has a _________________.<\/strong><\/p>\n<ol style=\"list-style-type: lower-alpha;\">\n<li>Increasing velocity<\/li>\n<li>Constant velocity<\/li>\n<li>Decreasing velocity<\/li>\n<li>None of the options<\/li>\n<\/ol>\n<p><strong>Answer:<\/strong> (b) Constant velocity<\/p>\n<p><strong>Explanation:<\/strong> In an isolated system, without any external forces, the center of mass moves with constant velocity (conservation of momentum).<\/p>\n<p><strong>More Resources for Class 11<\/strong><\/p>\n<ul>\n<li><a href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-11\/chemistry\/\"><strong>NCERT Solutions for Class 11 Chemistry<\/strong><\/a><\/li>\n<li><a href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-11\/physics\/\"><strong>NCERT Solutions for Class 11 Physics<\/strong><\/a><\/li>\n<li><a href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-11\/biology\/\"><strong>NCERT Solutions for Class 11 Biology<\/strong><\/a><\/li>\n<li><a href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-11\/maths\/\"><strong>NCERT Solutions for Class 11 Maths<\/strong><\/a><\/li>\n<\/ul>\n<p><strong>6. Dimensional formula for moment of inertia is _________________ .<\/strong><\/p>\n<p><strong>Answer:<\/strong> (d) ML<sup>2<\/sup><\/p>\n<p><em>Explanation:<\/em> Moment of inertia has dimensions of mass (M) and the square of distance (L<sup>2<\/sup>), which gives the dimensional formula ML<sup>2<\/sup>.<\/p>\n<p><strong>7. Radius of gyration is denoted by _________________ .<\/strong><\/p>\n<ol style=\"list-style-type: lower-alpha;\">\n<li>R<\/li>\n<li>G<\/li>\n<li>K<\/li>\n<li>I<\/li>\n<\/ol>\n<p><strong>Answer:<\/strong> (c) K<\/p>\n<p><strong>Explanation:<\/strong> The radius of gyration is represented by the symbol &#8216;K&#8217; and indicates how mass is distributed relative to the axis of rotation.<\/p>\n<p><strong>8. A body in rotational motion possesses rotational kinetic energy given by _________________.<\/strong><\/p>\n<p><strong>Answer:<\/strong> (b)<\/p>\n<p><strong>9. The combination of rotational motion and the translational motion of a rigid body is known as _________________.<\/strong><\/p>\n<ol style=\"list-style-type: lower-alpha;\">\n<li>Frictional motion<\/li>\n<li>Axis motion<\/li>\n<li>Angular motion<\/li>\n<li>Rolling motion<\/li>\n<\/ol>\n<p><strong>Answer:<\/strong> (d) Rolling motion<\/p>\n<p><strong>Explanation:<\/strong> Rolling motion occurs when both translational motion and rotational motion happen simultaneously, such as when a wheel rolls on the ground.<\/p>\n<p><strong>10. State true or false: The position of centre of mass does not depend upon the shape, size, and distribution of the mass of the body.<\/strong><\/p>\n<ol style=\"list-style-type: lower-alpha;\">\n<li>True<\/li>\n<li>False<\/li>\n<\/ol>\n<p><strong>Answer:<\/strong> (b) False<\/p>\n<p><strong>Explanation:<\/strong> The position of the center of mass is influenced by the shape, size, and mass distribution within a body, meaning it does depend on these factors.<\/p>\n<p><strong>Get NCERT Solutions for Class 11 Physics All Chapters<\/strong><\/p>\n<ul>\n<li><strong><a href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-11\/physics\/chapter-1-physical-world\/\">Chapter 1: Physical World<\/a><\/strong><\/li>\n<li><strong>Chapter 2: Units and Measurements<\/strong><\/li>\n<li><strong>Chapter 3: Motion in a Straight Line<\/strong><\/li>\n<li><strong><a href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-11\/physics\/chapter-4-motion-in-a-plane\/\">Chapter 4: Motion in a Plane<\/a><\/strong><\/li>\n<li><strong><a href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-11\/physics\/chapter-5-laws-of-motion\/\">Chapter 5: Laws of Motion<\/a><\/strong><\/li>\n<li><strong><a href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-11\/physics\/chapter-6-work-energy-and-power\/\">Chapter 6: Work, Energy, and Power<\/a><\/strong><\/li>\n<li><strong><a href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-11\/physics\/chapter-7-system-of-particles-and-rotational-motion\/\">Chapter 7: System of Particles and Rotational Motion<\/a><\/strong><\/li>\n<li><strong><a href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-11\/physics\/chapter-8-gravitation\/\">Chapter 8: Gravitation<\/a><\/strong><\/li>\n<li><strong><a href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-11\/physics\/chapter-9-mechanical-properties-of-solids\/\">Chapter 9: Mechanical Properties of Solids<\/a><\/strong><\/li>\n<li><strong><a href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-11\/physics\/chapter-10-mechanical-properties-fluids\/\">Chapter 10: Mechanical Properties of Fluids<\/a><\/strong><\/li>\n<li><strong><a href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-11\/physics\/chapter-11-thermal-property-of-matter\/\">Chapter 11: Thermal Properties of Matter<\/a><\/strong><\/li>\n<li><strong><a href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-11\/physics\/chapter-12-thermodynamics\/\">Chapter 12: Thermodynamics<\/a><\/strong><\/li>\n<li><strong><a href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-11\/physics\/chapter-13-kinetic-theory-of-gases\/\">Chapter 13: Kinetic Theory<\/a><\/strong><\/li>\n<li><strong><a href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-11\/physics\/chapter-14-oscillations\/\">Chapter 14: Oscillations<\/a><\/strong><\/li>\n<li><strong><a href=\"https:\/\/infinitylearn.com\/surge\/study-materials\/ncert-solutions\/class-11\/physics\/chapter-15-waves\/\">Chapter 15: Waves<\/a><\/strong><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"FAQs_on_System_of_Particles_and_Rotational_Motion_MCQ_Class_11_Physics\"><\/span>FAQs on System of Particles and Rotational Motion MCQ Class 11 Physics<span class=\"ez-toc-section-end\"><\/span><\/h2>\n","protected":false},"excerpt":{"rendered":"<p>Understanding the System of Particles and Rotational Motion in Class 11 Physics is essential for mastering mechanics. This topic explores [&hellip;]<\/p>\n","protected":false},"author":53,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"System of Particles and Rotational Motion MCQ","_yoast_wpseo_title":"System of Particles and Rotational Motion MCQ Question with Answers Class 11 Physics","_yoast_wpseo_metadesc":"Master Class 11 Physics with MCQs on System of Particles and Rotational Motion. Practice questions with answers for better understanding and exam preparation","custom_permalink":"mcqs\/class-11-physics-system-of-particles-and-rotational-motion\/"},"categories":[11038],"tags":[],"table_tags":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>System of Particles and Rotational Motion MCQ Question with Answers Class 11 Physics<\/title>\n<meta name=\"description\" content=\"Master Class 11 Physics with MCQs on System of Particles and Rotational Motion. 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