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Mechanics
Newton's second law -- rockets
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[QUOTE="vanhees71, post: 6866595, member: 260864"] Instead of arguing with "forces" rather argue with momentum conservation, and all the quibbles with the derivation of the rocket equation are gone. The "##\vec{F}=m\vec{a}##" paradigm is only a special case of the general dynamical law, which is given by momentum conservation: [URL]https://www.physicsforums.com/threads/rocket-acceleration-problem-confused-about-newtons-2nd-law.1050482/post-6861805[/URL] [/QUOTE]
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Newton's second law -- rockets
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