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Centre of Mass JEE Chapterwise Analysis, Weightage and Overview

With 11 questions asked in the previous years, it is a chapter that doesn’t witness questions consistently over the years but in years that it does, a good amount of questions appear. It serves as the fundamental of rotational motion since torque requires centre of mass and anyone wishing to complete mechanics properly shouldn’t ignore it at all.

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List of important topics in Centre of Mass JEE

  • Centre of Mass of Some Rigid Bodies
  • Perfectly inelastic Collision in one Dimension.
  • Spring Force
  • Kinetic Energy

Center of mass JEE Syllabus

  • Centre of Mass of a Uniform Road. The centre of Mass of Some Rigid Bodies. The linear momentum of a body. External force acting on a system, elastic collision. Linear Momentum and its Conservation Principle, Collision, Elastic Collision in one Dimension, 1. Elastic Collision Between A Heavy Body and A Light Body, 2. Elastic Collision of Two Bodies of Equal Mass, Perfectly inelastic Collision in one Dimension, Final velocity, Loss in Kinetic Energy, Coefficient of Restitution, Elastic Collision in two Dimensions. Calculation of Work Done, Constant Force, Spring Force, Kinetic Energy.

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Centre of Mass JEE Notes

 
Centre of Mass JEE Download

Centre of Mass JEE Test Series 2022,2023,2024

List of FREE Tests  
Paper set 1 Download Questions Download Solutions

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Q.

A body of mass m is at rest. Another body of same mass moving with velocity v makes head on elastic collision with the first body. After collision the first body starts to move with velocity

Q.

A body of mass M moves with velocity v and collides elastically with another body of mass m (M >> m) at rest, then the velocity of body of mass m is

Q.

If a shell fired from a cannon, explodes in mid air, then

Q.

An α-particle of mass m suffers one dimensional elastic collision with a nucleus of unknown mass. After the collision the α-particle is scattered directly backward losing 75% of its kinetic energy. Then the mass of the nucleus is

Q. Center of mass. Momentum?

Center of mass. Momentum