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  1. Propulsion - Wikipedia

    Propulsion is the generation of force by any combination of pushing or pulling to modify the translational motion of an object, which is typically a rigid body (or an articulated rigid body) …

  2. Beginner's Guide to Propulsion - NASA

    May 13, 2021 · Propulsion means to push forward or drive an object forward. A propulsion system is a machine that produces thrust to push an object forward. On airplanes, thrust is usually …

  3. Propulsion: Types, Components, and Uses - Thomasnet

    Jul 31, 2025 · Propulsion is the process of generating force to move an object through a medium, be it air, water, land, or even vacuum. It focuses on converting stored energy into motion.

  4. PROPULSION Definition & Meaning - Merriam-Webster

    The meaning of PROPULSION is the action or process of propelling. How to use propulsion in a sentence.

  5. Fundamentals of Propulsion Systems – Introduction to Aerospace …

    A propulsion system consists of an engine of some kind that produces power and work, and hence a force to propel the vehicle forward. Air-breathing engines include reciprocating piston …

  6. PROPULSION | English meaning - Cambridge Dictionary

    Add to word list the force produced by a system for moving a vehicle or other object: jet propulsion (Definition of propulsion from the Cambridge Academic Content Dictionary © Cambridge …

  7. Propulsion | How Things Fly

    Propulsion is the act of moving or pushing an object forward. The word is derived from two Latin words: pro, meaning before or forward, and pellere, meaning to drive. A propulsion system is …

  8. What Is The Scientific Definition Of Propulsion

    Sep 8, 2025 · Propulsion is the generation of force through pushing or pulling that alters the translational motion of an object, typically a rigid body, but also potentially involving fluids.

  9. Introduction to Propulsion Systems - MIT OpenCourseWare

    Both air-breathing and rocket engines are covered, at a level which enables rational integration of the propulsive system into an overall vehicle design. Mission analysis, fundamental …

  10. Alien Invasion Imminent? 3I/ATLAS Shows 'Engine Driven Propulsion

    4 days ago · Astronomers have spotted 3I/ATLAS, a mysterious interstellar object showing possible engine-like propulsion signs. Experts urge caution amid alien speculation.