IITJEE Mains • Physics New Syllabus
Module 21: Center of Mass & Collisions Hub
Master the dynamics of particle systems. Explore center of mass calculations, impulse, linear momentum conservation, variable mass systems, and complex collision mechanics.
Topic 1.1 • System of Particles
Center of Mass for Discrete Particles, Continuous Bodies, and Cavity Problems
Topic 1.2 • CM Kinematics
Velocity & Acceleration of Center of Mass, and Conservation of Linear Momentum
Topic 2.1 • Force Dynamics
Impulse, Impulse-Momentum Theorem, Average Force, and Area under F-t Graphs
Topic 2.2 • Thrust & Mass
Variable Mass Systems, Rocket Propulsion Mechanics, and Conveyor Belt Problems
Topic 3.1 • Impact Theory
Elastic vs Inelastic Collisions, and Coefficient of Restitution (e)
Topic 3.2 • Head-On Impact
Head-On Collisions, Perfect Inelasticity, and Maximum Kinetic Energy Transfer
Topic 4.1 • Oblique Impacts
Oblique Collisions in 2D, Glancing Impacts, and Resolution of Momentum Vectors
Topic 4.2 • Rigid Boundaries