Rocket propulsion is according to law of conservation of:

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Rocket propulsion is according to law of conservation of: Answer: Momentum

Rocket propulsion works on the principle of conservation of linear momentum, where the backward expulsion of gases produces an equal and opposite forward thrust.

Question context

This question is part of 🔬 General Science within the broader 🌐 Current Affairs & GK subject and appears in the Engineering College Admission Test (ECAT) preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.