Class 11 · Chapter
System of Particles & COM
7 topics · 7 interactive simulations
⊕
Center of Mass
x_COM = Σmᵢxᵢ / Σmᵢ — drag 3 masses and watch the COM marker shift.
Foundation8 minlive
🎯
Motion of COM
v_COM is constant when F_ext = 0 — see COM move in a straight line despite collisions.
Moderate9 minlive
➡️
Linear Momentum
p = mv — momentum scales linearly with velocity; KE scales quadratically.
Foundation6 minlive
💢
Impulse & Momentum
J = FΔt = Δp — before/after view with momentum change computed.
Moderate8 minlive
💥
Momentum Conservation (Explosion)
Stationary body explodes into two — m₁v₁ + m₂v₂ = 0 demonstrated live.
Advanced9 minlive
↻
Angular Momentum of a Particle
L = r × p = mr²ω — rotating ball with L vector (out of page).
Moderate9 minlive
🚀
Rocket Propulsion
F_thrust = u(dm/dt) — rocket loses mass and gains velocity.
Advanced11 minlive