Physics • Chapter Revision

Motion of System of Particles and Rigid Body Revision Notes

Quick facts, formula checklists, and concept reminders for NEET UG preparation.

3–5%
Weightage
~2 Q
Avg Qs
Hard
Difficulty

Syllabus Guidelines

Centre of mass of a two-particle system, momentum conservation and centre of mass motion
Centre of mass of a rigid body; centre of mass of uniform rod, ring, disc, and sphere
Moment of a force, torque, angular momentum, conservation of angular momentum with some examples
Equilibrium of rigid bodies, rigid body rotation and equations of rotational motion, comparison with linear motion
Moment of inertia, radius of gyration; values of moments of inertia for simple geometrical objects (no derivation)
Statement of parallel and perpendicular axes theorems and their applications

Study Strategy & Guidelines

For NEET UG, Motion of System of Particles and Rigid Body is classified as a Hard difficulty chapter. It accounts for approximately 3–5% of the overall subject syllabus marks.

  • Read the corresponding NCERT chapter sections closely before attempting full mock tests.
  • Maintain a handwritten error-log book for calculation mistakes during chapter tests.
  • Verify all boundary conditions and assumptions for formulas under this topic.