Expected Number of Questions from Center of Mass in JEE Main 2025 Session 2: NTA’s JEE Main 2025 Session 2 examination is scheduled to take place from April 1 to 8. Aspirants preparing for this exam must focus on important topics in Physics, including the Center of Mass, which is a key concept in mechanics.
Understanding the expected number of questions from the Center of Mass in JEE Main 2025 Session 2 can help in better preparation. The Center of Mass topic is known for its conceptual and numerical problems, making it essential for scoring well in the Physics section. Additionally, applicants must practice different types of problems to strengthen their understanding of this topic and enhance their problem-solving skills.
Among the important topics for the upcoming JEE Main 2025 Session 2, the Center of Mass is a vital part of the JEE Main Physics Syllabus because questions from it often appear in the exam. This topic includes different concepts related to motion, momentum, and equilibrium, making it important for those aiming to score well in the Physics section. To learn more about the expected number of questions from Center of Mass in JEE Main 2025 Session 2, let’s take a look at the past year’s trend, as given below.
By analyzing previous years’ JEE Main question papers, it has been observed that questions from the Center of Mass chapter generally range between 4 and 9 questions per session. While the exact number of expected questions in JEE Main 2025 Session 2 may vary, this topic has remained consistently important in the Physics syllabus. For the ease of applicants understanding, here is a detailed look at how many questions from the topic "Center of Mass" were asked in previous years:
In JEE Main 2025 Session 1 (January session), 4 questions were asked from the Center of Mass.
In JEE Main 2024 (April session), the number of questions that arose from this chapter was 6.
In JEE Main 2023 (January session), this topic had 9 questions, making it one of the high-weightage topics in that year.
In JEE Main 2022 (July session), students faced 8 questions from this chapter, while in the June session, 6 questions appeared.
In JEE Main 2021, the number of questions varied across different sessions: 7 questions in March, 5 in July, 2 in August, and 3 in February.
In JEE Main 2020 (January and September sessions), 9 questions were asked in both attempts, showing a high focus on this chapter.
In JEE Main 2019, the April session included 8 questions, while the January session had 7 questions from the Center of Mass.
Based on this data, students can expect around 5 to 9 questions from the Center of Mass in JEE Main 2025 Session 2. However, since the number of questions may change, applicants are encouraged to prepare this topic thoroughly.
The Center of Mass is an important concept in JEE Main Physics, as it helps in simplifying tough motion problems. Instead of analyzing an object’s motion as a whole, the center of mass allows it to be treated as if its entire mass is concentrated at a single point. This makes calculations easier, especially in topics like collisions, rotational motion, and projectile motion.To understand better, find out some of the key reasons why the Center of Mass is important for JEE Main:
Simplifies problem-solving: It reduces tough calculations by considering the entire mass at a single point, making it easier to solve problems involving multiple particles or irregular objects.
Helps in understanding motion: It provides a reference point to study the motion of a system of particles, making it useful in analyzing their overall movement.
Important for collision problems: In cases of elastic and inelastic collisions, the motion of the center of mass helps in determining post-collision velocities.
Important in rotational dynamics: Concepts like torque, angular momentum, and equilibrium rely on understanding the center of mass to analyze rotational motion in rigid bodies.
Determines stability and equilibrium: Knowing the center of mass helps in predicting whether an object will remain stable or topple under external forces.
Used in real-world applications: Many Physics questions in JEE Main are based on practical scenarios where the center of mass plays a role in analyzing moving objects.
Preparing the Center of Mass topic for JEE Main 2025 Session 2 requires a clear understanding of concepts, regular practice, and proper revision. This topic is important in mechanics, and mastering it can help in solving various physics problems related to motion, collisions, and stability.
1. Understand the Basics
Learn what center of mass means : it is the average position of all mass in a system.
Memorize the formula: The center of mass for multiple particles is calculated using weighted positions of all masses.
Understand its applications : it is used in motion analysis, collision problems, and stability of objects.
2. Practice Problem-Solving
Start with simple cases like two masses on a straight line or symmetrical objects.
Solve continuous mass distribution problems, such as uniform rods or discs.
Work on multiple particle systems, where different masses are placed at various points.
Practice motion-based problems, where the center of mass changes due to external forces.
3. Focus on Important Center of Mass Topics
Rigid Body Center of Mass: Find the center of mass for different shapes like rods, discs, and spheres.
Motion of Center of Mass: Learn how external forces affect its movement.
Collisions: Use the center of mass to analyze motion after elastic and inelastic collisions.
Stability and Equilibrium: Understand how the center of mass affects an object's balance.
4. Practice with JEE Main Previous Year Papers and Mock Tests
Solve previous years' questions to understand the upcoming JEE Main 2025 Exam Pattern.
Take JEE Mock Tests regularly to improve speed and accuracy.
Solve different types of questions on a regular basis, including numerical and conceptual problems.
Revise key formulas and concepts frequently.
Keep in mind that the center of mass is a vector, so direction matters.
Use a suitable coordinate system to make calculations easier.
Ensure unit consistency throughout calculations.
By following these effective preparation tips, aspirants can strengthen their understanding of the Center of Mass and improve their problem-solving skills for JEE Main 2025 Session 2.