Reactive thrust
reactive thrust
(rē-āk’tĭv)
Thrust generated by an engine through the rapid expulsion of propellant or its exhaust in a particular direction. By Newton’s third law, the force required to expel the propellant or exhaust is counterbalanced by an equal and opposite force, driving the engine (and its vehicle) in the opposite direction. See also ion engine, Newton’s laws of motion.
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[ree-ak-tiv-i-tee] /ˌri ækˈtɪv ɪ ti/ noun 1. the quality or condition of being . 2. Chemistry. the relative capacity of an atom, molecule, or radical to undergo a chemical reaction with another atom, molecule, or compound. 3. Physics. a measure of the deviation from the condition at which a nuclear reactor is critical. 4. Immunology. […]
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