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Systems of Particles and Centre of Mass JEE Notes, Weightage and Importance

authorImageAmit kumar Singh13 Oct, 2025

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Systems of Particles and Centre of Mass JEE Notes

Systems of Particles and Centre of Mass JEE Notes can help JEE aspirants for a guided preparation. Candidates preparing for the JEE examination find the Systems of Particles and Centre of Mass topic challenging due to its combination of vector mechanics, kinematics, and dynamics. 

Understanding these concepts is important for solving rotational motion problems. It helps candidates to solve questions in torque and angular momentum JEE notes. Further,  students are required to develop a clear conceptual understanding of the centre of mass, motion of multiple particles, and the dynamics of rigid bodies. At the same time, aspirants should be able to solve the system of particles JEE main questions properly. 

JEE Main Systems of Particles and Centre of Mass Notes Overview

JEE advanced problems centre of mass frequently test the application of conservation principles and equilibrium conditions. These notes offer structured explanations, step-by-step derivations, and illustrative examples. It allows candidates to enhance their problem-solving skills while gaining confidence in the topic.

Candidates should use the following overview table to get a brief summary of topics and formulas required for the JEE exam. It provides quick access for revision and understanding core concepts. 

Systems of Particles and Centre of Mass JEE Notes Overview

Topic

Subtopics

Notes

Centre of Mass

Definition, position vector, motion equations

Includes examples of discrete and continuous systems

Motion of System of Particles

Velocity of centre of mass, momentum, kinetic energy

Covers linear and rotational systems

Conservation Principles

Momentum and energy conservation in particle systems

Applications in collisions and explosions

Torque and Angular Momentum

Definition, torque relation, angular momentum theorem

Examples in rigid body rotation and central forces

JEE Problems

JEE Main and Advanced questions on centre of mass

Solved step-wise, includes past year problems

Numerical Practice

Derived formulas, sample problems

Students can use for timed practice and revision

Note: During preparation of JEE papers, students are advised to refer to each topic in sequence and solve the numerical examples. It will help them to clear their concepts before attempting JEE main questions.

Systems of Particles and Centre of Mass JEE Notes Link 

Students who want to appear in the JEE examinations should refer to the reliable sources to download the notes. Downloading notes can help candidates to start early preparations of JEE Mains easily.  Here is the direct link of Systems of Particles and Centre of Mass JEE Notes link:

Systems of Particles and Centre of Mass JEE Notes link

Importance of Systems of Particles and Centre of Mass JEE Notes

Understanding JEE Notes system of Particles and Centre of Mass and related topics allows aspirants to address a variety of questions in the exam. Concepts like centre of mass, motion of particle systems, torque, and angular momentum are often interlinked in both JEE Main and Advanced problems. Students should prioritise practising the system of particles JEE main questions.  They sometimes require to combine multiple formulas and reasoning steps. At the same time, torque and angular momentum JEE notes form the foundation for rotational dynamics problems that appear in advanced exams frequently.

Furthermore, mastering these notes can help candidates to approach problem-solving systematically. Each derivation, formula, and solved example in this topic contributes to reducing errors during calculations under timed conditions. Furthermore, aspirants should maintain quick, handwritten notes summarising key formulae, which can be used for last-minute revision before examinations.

Weightage of Systems of Particles and Centre of Mass in JEE

Candidates who are engaged in preparing for the JEE paper should be aware of the marks carried by a particular topic. Generally, the weightage of topics remain unchanged for years. Further, here is the indicative weightage of Systems of Particles and Centre of Mass in JEE papers:

Weightage of Systems of Particles and Centre of Mass (Indicative)

Exam

Approx. Weightage

Focus Area

JEE Main

6 to 8%

Centre of mass, linear momentum, system of particles

JEE Advanced

8 to 10%

Rotational motion, torque, angular momentum, complex systems

Practice Tests

10 to12%

Mixed problems combining centre of mass with dynamics

Note: Candidates should note that weightage varies slightly by year, but aspirants should focus on topics that repeatedly appear in past JEE papers and Advanced questions centre of mass.

JEE Advanced Problems Centre of Mass and System of Particles

Students are encouraged to practise past year questions to understand the application of theoretical concepts. Some common problem types include:

  • Finding the centre of mass of discrete and continuous systems

  • Motion of a system of particles under external forces

  • Collisions in one and two dimensions using conservation of momentum

  • Rotational motion problems using torque and angular momentum relations

  • Combined problems linking linear motion and rotational dynamics

Aspirants are required to carefully analyse each problem and understand the step-wise method rather than memorising solutions. These exercises strengthen reasoning skills and build confidence for Advanced-level questions.

 

Systems of Particles and Centre of Mass JEE Notes FAQs

Who should refer to Systems of Particles and Centre of Mass JEE Notes?

Students who are engaged in preparing for JEE Main and Advanced examinations are required to refer to these notes to clear their concepts.

Are Systems of Particles and Centre of Mass Notes sufficient for JEE Advanced-level problems?

Yes, the notes include solved examples and numerical problems specifically targeting JEE advanced problems related to centre of mass.

Do Systems of Particles and Centre of Mass JEE Notes include torque and angular momentum concepts?

Absolutely. Torque and angular momentum JEE notes are integrated to provide a complete understanding of rigid body and particle system dynamics.

What is the structure of system of particles JEE main questions?

The system of particles JEE main questions combine multiple concepts, including centre of mass, momentum, and energy principles, requiring careful step-wise problem-solving.

Can these notes be used for last-minute revision?

Students can summarise key formulae and solved examples from the notes for quick revision before exams. The structured tables make them ideal for this purpose.
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