Скачать или смотреть HC Verma Center of Mass Ex-13: Why the Cart Moves Left? | NEET Physics 2026 – Nishant Sir

HCV Exercise Problem 13 from Center of Mass Collision and Linear Momentum is solved for a cart and bob on a frictionless surface. The string breaks, bob finally rests in the slot at cart center, and we find how much the cart shifts. Using zero external horizontal force so position of center of mass stays same, we set initial CM equal to final CM. Result: displacement of cart x = m l divided by M plus m toward the left.
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