🌐EnglishEnglishBahasa IndonesiaDeutschFrançaisРусскийالعربية中文EntityQ1965381· pop 8· linked from 108 articlesworking massAlso known as reaction massmass against which a system operatesAvailable in 8 languagesDeutschРусскийالعربيةBahasa IndonesiaBelarusianUkrainianUrduvia Wikidata sitelinks · CC0ConnectionsTsiolkovsky rocket equationEntityhydrogenEntityCategoriesAerospace engineeringMass