10.7: Constancy of Momentum and Isolated Systems
https://phys.libretexts.org/Bookshelves/Classical_Mechanics/Classical_Mechanics_(Dourmashkin)/10%3A_Momentum_System_of_Particles_and_Conservation_of_Momentum/10.07%3A_Constancy_of_Momentum_and_Isolated_Systems
WebJul 20, 2022 · F→ext = 0→ F → ext = 0 →. the system is called an isolated system. For an isolated system, the change in the momentum of the system is zero, Δp→sys = 0→ (isolated system) Δ p → s y s = 0 → (isolated system) therefore the momentum of the isolated system is constant.
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