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from this IP address [n]" accesskey="n"><span>Talk</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Site"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Contents" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" 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id="toc-Conservation_of_mass_and_relativity" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Conservation_of_mass_and_relativity"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Conservation of mass and relativity</span> </div> </a> <ul id="toc-Conservation_of_mass_and_relativity-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-The_Quantum_Concept_of_Mass" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#The_Quantum_Concept_of_Mass"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>The Quantum Concept of Mass</span> </div> </a> <ul id="toc-The_Quantum_Concept_of_Mass-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-References" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#References"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>References</span> </div> </a> <ul id="toc-References-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Related_pages" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Related_pages"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Related pages</span> </div> </a> <ul id="toc-Related_pages-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " 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Available in 162 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-162" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">162 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Massa" title="Massa – Afrikaans" lang="af" hreflang="af" data-title="Massa" data-language-autonym="Afrikaans" data-language-local-name="Afrikaans" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-als mw-list-item"><a href="https://als.wikipedia.org/wiki/Masse_(Physik)" title="Masse (Physik) – Alemannic" lang="gsw" hreflang="gsw" data-title="Masse (Physik)" data-language-autonym="Alemannisch" data-language-local-name="Alemannic" class="interlanguage-link-target"><span>Alemannisch</span></a></li><li class="interlanguage-link interwiki-am mw-list-item"><a href="https://am.wikipedia.org/wiki/%E1%8C%8D%E1%8B%9D%E1%8D%88%E1%89%B5" title="ግዝፈት – Amharic" lang="am" hreflang="am" data-title="ግዝፈት" data-language-autonym="አማርኛ" data-language-local-name="Amharic" class="interlanguage-link-target"><span>አማርኛ</span></a></li><li class="interlanguage-link interwiki-anp mw-list-item"><a href="https://anp.wikipedia.org/wiki/%E0%A4%B8%E0%A4%82%E0%A4%B9%E0%A4%A4%E0%A4%BF" title="संहति – Angika" lang="anp" hreflang="anp" data-title="संहति" data-language-autonym="अंगिका" data-language-local-name="Angika" class="interlanguage-link-target"><span>अंगिका</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D9%83%D8%AA%D9%84%D8%A9" title="كتلة – Arabic" lang="ar" hreflang="ar" data-title="كتلة" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-an mw-list-item"><a href="https://an.wikipedia.org/wiki/Masa" title="Masa – Aragonese" lang="an" hreflang="an" data-title="Masa" data-language-autonym="Aragonés" data-language-local-name="Aragonese" class="interlanguage-link-target"><span>Aragonés</span></a></li><li class="interlanguage-link interwiki-as mw-list-item"><a href="https://as.wikipedia.org/wiki/%E0%A6%AD%E0%A7%B0" title="ভৰ – Assamese" lang="as" hreflang="as" data-title="ভৰ" data-language-autonym="অসমীয়া" data-language-local-name="Assamese" class="interlanguage-link-target"><span>অসমীয়া</span></a></li><li class="interlanguage-link interwiki-ast badge-Q17437796 badge-featuredarticle mw-list-item" title="featured article badge"><a href="https://ast.wikipedia.org/wiki/Masa" title="Masa – Asturian" lang="ast" hreflang="ast" data-title="Masa" data-language-autonym="Asturianu" data-language-local-name="Asturian" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-gn mw-list-item"><a href="https://gn.wikipedia.org/wiki/M%C3%A1sa" title="Mása – Guarani" lang="gn" hreflang="gn" data-title="Mása" data-language-autonym="Avañe'ẽ" data-language-local-name="Guarani" class="interlanguage-link-target"><span>Avañe'ẽ</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/K%C3%BCtl%C9%99_(fiziki_k%C9%99miyy%C9%99t)" title="Kütlə (fiziki kəmiyyət) – Azerbaijani" lang="az" hreflang="az" data-title="Kütlə (fiziki kəmiyyət)" data-language-autonym="Azərbaycanca" data-language-local-name="Azerbaijani" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-azb mw-list-item"><a href="https://azb.wikipedia.org/wiki/%DA%A9%D9%88%D8%AA%D9%84%D9%87" title="کوتله – South Azerbaijani" lang="azb" hreflang="azb" data-title="کوتله" data-language-autonym="تۆرکجه" data-language-local-name="South Azerbaijani" class="interlanguage-link-target"><span>تۆرکجه</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%AD%E0%A6%B0" title="ভর – Bangla" lang="bn" hreflang="bn" data-title="ভর" data-language-autonym="বাংলা" data-language-local-name="Bangla" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/Chit-li%C5%8Dng" title="Chit-liōng – Minnan" lang="nan" hreflang="nan" data-title="Chit-liōng" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="Minnan" class="interlanguage-link-target"><span>閩南語 / Bân-lâm-gú</span></a></li><li class="interlanguage-link interwiki-ba mw-list-item"><a href="https://ba.wikipedia.org/wiki/%D0%9C%D0%B0%D1%81%D1%81%D0%B0" title="Масса – Bashkir" lang="ba" hreflang="ba" data-title="Масса" data-language-autonym="Башҡортса" data-language-local-name="Bashkir" class="interlanguage-link-target"><span>Башҡортса</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%9C%D0%B0%D1%81%D0%B0" title="Маса – Belarusian" lang="be" hreflang="be" data-title="Маса" data-language-autonym="Беларуская" data-language-local-name="Belarusian" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/%D0%9C%D0%B0%D1%81%D0%B0" title="Маса – Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Маса" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="Belarusian (Taraškievica orthography)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li><li class="interlanguage-link interwiki-bh mw-list-item"><a href="https://bh.wikipedia.org/wiki/%E0%A4%AD%E0%A4%BE%E0%A4%B0" title="भार – Bhojpuri" lang="bh" hreflang="bh" data-title="भार" data-language-autonym="भोजपुरी" data-language-local-name="Bhojpuri" class="interlanguage-link-target"><span>भोजपुरी</span></a></li><li class="interlanguage-link interwiki-bcl mw-list-item"><a href="https://bcl.wikipedia.org/wiki/Masa" title="Masa – Central Bikol" lang="bcl" hreflang="bcl" data-title="Masa" data-language-autonym="Bikol Central" data-language-local-name="Central Bikol" class="interlanguage-link-target"><span>Bikol Central</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%9C%D0%B0%D1%81%D0%B0" title="Маса – Bulgarian" lang="bg" hreflang="bg" data-title="Маса" data-language-autonym="Български" data-language-local-name="Bulgarian" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bar mw-list-item"><a href="https://bar.wikipedia.org/wiki/Massn" title="Massn – Bavarian" lang="bar" hreflang="bar" data-title="Massn" data-language-autonym="Boarisch" data-language-local-name="Bavarian" class="interlanguage-link-target"><span>Boarisch</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Masa" title="Masa – Bosnian" lang="bs" hreflang="bs" data-title="Masa" data-language-autonym="Bosanski" data-language-local-name="Bosnian" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-br mw-list-item"><a href="https://br.wikipedia.org/wiki/Mas" title="Mas – Breton" lang="br" hreflang="br" data-title="Mas" data-language-autonym="Brezhoneg" data-language-local-name="Breton" class="interlanguage-link-target"><span>Brezhoneg</span></a></li><li class="interlanguage-link interwiki-bxr mw-list-item"><a href="https://bxr.wikipedia.org/wiki/%D0%9C%D0%B0%D1%81%D1%81%D0%B0" title="Масса – Russia Buriat" lang="bxr" hreflang="bxr" data-title="Масса" data-language-autonym="Буряад" data-language-local-name="Russia Buriat" class="interlanguage-link-target"><span>Буряад</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Massa" title="Massa – Catalan" lang="ca" hreflang="ca" data-title="Massa" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cv mw-list-item"><a href="https://cv.wikipedia.org/wiki/%D0%9C%D0%B0%D1%81%D1%81%D0%B0" title="Масса – Chuvash" lang="cv" hreflang="cv" data-title="Масса" data-language-autonym="Чӑвашла" data-language-local-name="Chuvash" class="interlanguage-link-target"><span>Чӑвашла</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Hmotnost" title="Hmotnost – Czech" lang="cs" hreflang="cs" data-title="Hmotnost" data-language-autonym="Čeština" data-language-local-name="Czech" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-sn mw-list-item"><a href="https://sn.wikipedia.org/wiki/Huremu" title="Huremu – Shona" lang="sn" hreflang="sn" data-title="Huremu" data-language-autonym="ChiShona" data-language-local-name="Shona" class="interlanguage-link-target"><span>ChiShona</span></a></li><li class="interlanguage-link interwiki-cy mw-list-item"><a href="https://cy.wikipedia.org/wiki/M%C3%A0s" title="Màs – Welsh" lang="cy" hreflang="cy" data-title="Màs" data-language-autonym="Cymraeg" data-language-local-name="Welsh" class="interlanguage-link-target"><span>Cymraeg</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Masse_(fysik)" title="Masse (fysik) – Danish" lang="da" hreflang="da" data-title="Masse (fysik)" data-language-autonym="Dansk" data-language-local-name="Danish" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-ary mw-list-item"><a href="https://ary.wikipedia.org/wiki/%D9%83%D8%AA%D9%84%D8%A9" title="كتلة – Moroccan Arabic" lang="ary" hreflang="ary" data-title="كتلة" data-language-autonym="الدارجة" data-language-local-name="Moroccan Arabic" class="interlanguage-link-target"><span>الدارجة</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Masse_(Physik)" title="Masse (Physik) – German" lang="de" hreflang="de" data-title="Masse (Physik)" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Mass" title="Mass – Estonian" lang="et" hreflang="et" data-title="Mass" data-language-autonym="Eesti" data-language-local-name="Estonian" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%9C%CE%AC%CE%B6%CE%B1" title="Μάζα – Greek" lang="el" hreflang="el" data-title="Μάζα" data-language-autonym="Ελληνικά" data-language-local-name="Greek" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Mass" title="Mass – English" lang="en" hreflang="en" data-title="Mass" data-language-autonym="English" data-language-local-name="English" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Masa" title="Masa – Spanish" lang="es" hreflang="es" data-title="Masa" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Maso" title="Maso – Esperanto" lang="eo" hreflang="eo" data-title="Maso" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-ext mw-list-item"><a href="https://ext.wikipedia.org/wiki/Massa" title="Massa – Extremaduran" lang="ext" hreflang="ext" data-title="Massa" data-language-autonym="Estremeñu" data-language-local-name="Extremaduran" class="interlanguage-link-target"><span>Estremeñu</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Masa" title="Masa – Basque" lang="eu" hreflang="eu" data-title="Masa" data-language-autonym="Euskara" data-language-local-name="Basque" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%AC%D8%B1%D9%85_(%D9%81%DB%8C%D8%B2%DB%8C%DA%A9)" title="جرم (فیزیک) – Persian" lang="fa" hreflang="fa" data-title="جرم (فیزیک)" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-hif mw-list-item"><a href="https://hif.wikipedia.org/wiki/Mass" title="Mass – Fiji Hindi" lang="hif" hreflang="hif" data-title="Mass" data-language-autonym="Fiji Hindi" data-language-local-name="Fiji Hindi" class="interlanguage-link-target"><span>Fiji Hindi</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Masse" title="Masse – French" lang="fr" hreflang="fr" data-title="Masse" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-fy mw-list-item"><a href="https://fy.wikipedia.org/wiki/Massa_(natuerkunde)" title="Massa (natuerkunde) – Western Frisian" lang="fy" hreflang="fy" data-title="Massa (natuerkunde)" data-language-autonym="Frysk" data-language-local-name="Western Frisian" class="interlanguage-link-target"><span>Frysk</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Mais" title="Mais – Irish" lang="ga" hreflang="ga" data-title="Mais" data-language-autonym="Gaeilge" data-language-local-name="Irish" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gv mw-list-item"><a href="https://gv.wikipedia.org/wiki/Glout" title="Glout – Manx" lang="gv" hreflang="gv" data-title="Glout" data-language-autonym="Gaelg" data-language-local-name="Manx" class="interlanguage-link-target"><span>Gaelg</span></a></li><li class="interlanguage-link interwiki-gd mw-list-item"><a href="https://gd.wikipedia.org/wiki/Tomad" title="Tomad – Scottish Gaelic" lang="gd" hreflang="gd" data-title="Tomad" data-language-autonym="Gàidhlig" data-language-local-name="Scottish Gaelic" class="interlanguage-link-target"><span>Gàidhlig</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Masa" title="Masa – Galician" lang="gl" hreflang="gl" data-title="Masa" data-language-autonym="Galego" data-language-local-name="Galician" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-gan mw-list-item"><a href="https://gan.wikipedia.org/wiki/%E8%B3%AA%E9%87%8F" title="質量 – Gan" lang="gan" hreflang="gan" data-title="質量" data-language-autonym="贛語" data-language-local-name="Gan" class="interlanguage-link-target"><span>贛語</span></a></li><li class="interlanguage-link interwiki-gu mw-list-item"><a href="https://gu.wikipedia.org/wiki/%E0%AA%A6%E0%AB%8D%E0%AA%B0%E0%AA%B5%E0%AB%8D%E0%AA%AF%E0%AA%AE%E0%AA%BE%E0%AA%A8" title="દ્રવ્યમાન – Gujarati" lang="gu" hreflang="gu" data-title="દ્રવ્યમાન" data-language-autonym="ગુજરાતી" data-language-local-name="Gujarati" class="interlanguage-link-target"><span>ગુજરાતી</span></a></li><li class="interlanguage-link interwiki-hak mw-list-item"><a href="https://hak.wikipedia.org/wiki/Ch%E1%B9%B3t-li%C3%B4ng" title="Chṳt-liông – Hakka Chinese" lang="hak" hreflang="hak" data-title="Chṳt-liông" data-language-autonym="客家語 / Hak-kâ-ngî" data-language-local-name="Hakka Chinese" class="interlanguage-link-target"><span>客家語 / Hak-kâ-ngî</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%A7%88%EB%9F%89" title="질량 – Korean" lang="ko" hreflang="ko" data-title="질량" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D4%B6%D5%A1%D5%B6%D5%A3%D5%BE%D5%A1%D5%AE" title="Զանգված – Armenian" lang="hy" hreflang="hy" data-title="Զանգված" data-language-autonym="Հայերեն" data-language-local-name="Armenian" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%A6%E0%A5%8D%E0%A4%B0%E0%A4%B5%E0%A5%8D%E0%A4%AF%E0%A4%AE%E0%A4%BE%E0%A4%A8" title="द्रव्यमान – Hindi" lang="hi" hreflang="hi" data-title="द्रव्यमान" data-language-autonym="हिन्दी" data-language-local-name="Hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Masa" title="Masa – Croatian" lang="hr" hreflang="hr" data-title="Masa" data-language-autonym="Hrvatski" data-language-local-name="Croatian" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-io mw-list-item"><a href="https://io.wikipedia.org/wiki/Maso" title="Maso – Ido" lang="io" hreflang="io" data-title="Maso" data-language-autonym="Ido" data-language-local-name="Ido" class="interlanguage-link-target"><span>Ido</span></a></li><li class="interlanguage-link interwiki-ilo mw-list-item"><a href="https://ilo.wikipedia.org/wiki/Masa" title="Masa – Iloko" lang="ilo" hreflang="ilo" data-title="Masa" data-language-autonym="Ilokano" data-language-local-name="Iloko" class="interlanguage-link-target"><span>Ilokano</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Massa" title="Massa – Indonesian" lang="id" hreflang="id" data-title="Massa" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonesian" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-ia mw-list-item"><a href="https://ia.wikipedia.org/wiki/Massa_(quantitate_physic)" title="Massa (quantitate physic) – Interlingua" lang="ia" hreflang="ia" data-title="Massa (quantitate physic)" data-language-autonym="Interlingua" data-language-local-name="Interlingua" class="interlanguage-link-target"><span>Interlingua</span></a></li><li class="interlanguage-link interwiki-ie mw-list-item"><a href="https://ie.wikipedia.org/wiki/Masse" title="Masse – Interlingue" lang="ie" hreflang="ie" data-title="Masse" data-language-autonym="Interlingue" data-language-local-name="Interlingue" class="interlanguage-link-target"><span>Interlingue</span></a></li><li class="interlanguage-link interwiki-zu mw-list-item"><a href="https://zu.wikipedia.org/wiki/Isisindo" title="Isisindo – Zulu" lang="zu" hreflang="zu" data-title="Isisindo" data-language-autonym="IsiZulu" data-language-local-name="Zulu" class="interlanguage-link-target"><span>IsiZulu</span></a></li><li class="interlanguage-link interwiki-is badge-Q17437798 badge-goodarticle mw-list-item" title="good article badge"><a href="https://is.wikipedia.org/wiki/Massi" title="Massi – Icelandic" lang="is" hreflang="is" data-title="Massi" data-language-autonym="Íslenska" data-language-local-name="Icelandic" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-it badge-Q17437796 badge-featuredarticle mw-list-item" title="featured article badge"><a href="https://it.wikipedia.org/wiki/Massa_(fisica)" title="Massa (fisica) – Italian" lang="it" hreflang="it" data-title="Massa (fisica)" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%9E%D7%A1%D7%94" title="מסה – Hebrew" lang="he" hreflang="he" data-title="מסה" data-language-autonym="עברית" data-language-local-name="Hebrew" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-jv mw-list-item"><a href="https://jv.wikipedia.org/wiki/Massa" title="Massa – Javanese" lang="jv" hreflang="jv" data-title="Massa" data-language-autonym="Jawa" data-language-local-name="Javanese" class="interlanguage-link-target"><span>Jawa</span></a></li><li class="interlanguage-link interwiki-kbp mw-list-item"><a href="https://kbp.wikipedia.org/wiki/H%C9%A9l%C9%A9m%C9%A9y%C9%9B" title="Hɩlɩmɩyɛ – Kabiye" lang="kbp" hreflang="kbp" data-title="Hɩlɩmɩyɛ" data-language-autonym="Kabɩyɛ" data-language-local-name="Kabiye" class="interlanguage-link-target"><span>Kabɩyɛ</span></a></li><li class="interlanguage-link interwiki-kn mw-list-item"><a href="https://kn.wikipedia.org/wiki/%E0%B2%A6%E0%B3%8D%E0%B2%B0%E0%B2%B5%E0%B3%8D%E0%B2%AF%E0%B2%B0%E0%B2%BE%E0%B2%B6%E0%B2%BF" title="ದ್ರವ್ಯರಾಶಿ – Kannada" lang="kn" hreflang="kn" data-title="ದ್ರವ್ಯರಾಶಿ" data-language-autonym="ಕನ್ನಡ" data-language-local-name="Kannada" class="interlanguage-link-target"><span>ಕನ್ನಡ</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%9B%E1%83%90%E1%83%A1%E1%83%90" title="მასა – Georgian" lang="ka" hreflang="ka" data-title="მასა" data-language-autonym="ქართული" data-language-local-name="Georgian" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%9C%D0%B0%D1%81%D1%81%D0%B0" title="Масса – Kazakh" lang="kk" hreflang="kk" data-title="Масса" data-language-autonym="Қазақша" data-language-local-name="Kazakh" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-sw mw-list-item"><a href="https://sw.wikipedia.org/wiki/Tungamo" title="Tungamo – Swahili" lang="sw" hreflang="sw" data-title="Tungamo" data-language-autonym="Kiswahili" data-language-local-name="Swahili" class="interlanguage-link-target"><span>Kiswahili</span></a></li><li class="interlanguage-link interwiki-ht mw-list-item"><a href="https://ht.wikipedia.org/wiki/Mas_in%C3%A8si" title="Mas inèsi – Haitian Creole" lang="ht" hreflang="ht" data-title="Mas inèsi" data-language-autonym="Kreyòl ayisyen" data-language-local-name="Haitian Creole" class="interlanguage-link-target"><span>Kreyòl ayisyen</span></a></li><li class="interlanguage-link interwiki-gcr mw-list-item"><a href="https://gcr.wikipedia.org/wiki/Mas" title="Mas – Guianan Creole" lang="gcr" hreflang="gcr" data-title="Mas" data-language-autonym="Kriyòl gwiyannen" data-language-local-name="Guianan Creole" class="interlanguage-link-target"><span>Kriyòl gwiyannen</span></a></li><li class="interlanguage-link interwiki-ku mw-list-item"><a href="https://ku.wikipedia.org/wiki/Bariste" title="Bariste – Kurdish" lang="ku" hreflang="ku" data-title="Bariste" data-language-autonym="Kurdî" data-language-local-name="Kurdish" class="interlanguage-link-target"><span>Kurdî</span></a></li><li class="interlanguage-link interwiki-ky mw-list-item"><a href="https://ky.wikipedia.org/wiki/%D0%9C%D0%B0%D1%81%D1%81%D0%B0" title="Масса – Kyrgyz" lang="ky" hreflang="ky" data-title="Масса" data-language-autonym="Кыргызча" data-language-local-name="Kyrgyz" class="interlanguage-link-target"><span>Кыргызча</span></a></li><li class="interlanguage-link interwiki-lo mw-list-item"><a href="https://lo.wikipedia.org/wiki/%E0%BA%A1%E0%BA%B0%E0%BA%AB%E0%BA%B2%E0%BA%8A%E0%BA%BB%E0%BA%99" title="ມະຫາຊົນ – Lao" lang="lo" hreflang="lo" data-title="ມະຫາຊົນ" data-language-autonym="ລາວ" data-language-local-name="Lao" class="interlanguage-link-target"><span>ລາວ</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Massa" title="Massa – Latin" lang="la" hreflang="la" data-title="Massa" data-language-autonym="Latina" data-language-local-name="Latin" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Masa" title="Masa – Latvian" lang="lv" hreflang="lv" data-title="Masa" data-language-autonym="Latviešu" data-language-local-name="Latvian" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/Mass_(Physik)" title="Mass (Physik) – Luxembourgish" lang="lb" hreflang="lb" data-title="Mass (Physik)" data-language-autonym="Lëtzebuergesch" data-language-local-name="Luxembourgish" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Mas%C4%97" title="Masė – Lithuanian" lang="lt" hreflang="lt" data-title="Masė" data-language-autonym="Lietuvių" data-language-local-name="Lithuanian" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-li mw-list-item"><a href="https://li.wikipedia.org/wiki/Massa" title="Massa – Limburgish" lang="li" hreflang="li" data-title="Massa" data-language-autonym="Limburgs" data-language-local-name="Limburgish" class="interlanguage-link-target"><span>Limburgs</span></a></li><li class="interlanguage-link interwiki-ln mw-list-item"><a href="https://ln.wikipedia.org/wiki/Lib%C3%B3nd%C3%B3" title="Libóndó – Lingala" lang="ln" hreflang="ln" data-title="Libóndó" data-language-autonym="Lingála" data-language-local-name="Lingala" class="interlanguage-link-target"><span>Lingála</span></a></li><li class="interlanguage-link interwiki-lfn mw-list-item"><a href="https://lfn.wikipedia.org/wiki/Masa" title="Masa – Lingua Franca Nova" lang="lfn" hreflang="lfn" data-title="Masa" data-language-autonym="Lingua Franca Nova" data-language-local-name="Lingua Franca Nova" class="interlanguage-link-target"><span>Lingua Franca Nova</span></a></li><li class="interlanguage-link interwiki-lmo mw-list-item"><a href="https://lmo.wikipedia.org/wiki/Massa" title="Massa – Lombard" lang="lmo" hreflang="lmo" data-title="Massa" data-language-autonym="Lombard" data-language-local-name="Lombard" class="interlanguage-link-target"><span>Lombard</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/T%C3%B6meg" title="Tömeg – Hungarian" lang="hu" hreflang="hu" data-title="Tömeg" data-language-autonym="Magyar" data-language-local-name="Hungarian" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%9C%D0%B0%D1%81%D0%B0_(%D1%84%D0%B8%D0%B7%D0%B8%D0%BA%D0%B0)" title="Маса (физика) – Macedonian" lang="mk" hreflang="mk" data-title="Маса (физика)" data-language-autonym="Македонски" data-language-local-name="Macedonian" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-mg mw-list-item"><a href="https://mg.wikipedia.org/wiki/Lanja" title="Lanja – Malagasy" lang="mg" hreflang="mg" data-title="Lanja" data-language-autonym="Malagasy" data-language-local-name="Malagasy" class="interlanguage-link-target"><span>Malagasy</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%AA%E0%B4%BF%E0%B4%A3%E0%B5%8D%E0%B4%A1%E0%B4%82" title="പിണ്ഡം – Malayalam" lang="ml" hreflang="ml" data-title="പിണ്ഡം" data-language-autonym="മലയാളം" data-language-local-name="Malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-mr mw-list-item"><a href="https://mr.wikipedia.org/wiki/%E0%A4%B5%E0%A4%B8%E0%A5%8D%E0%A4%A4%E0%A5%81%E0%A4%AE%E0%A4%BE%E0%A4%A8" title="वस्तुमान – Marathi" lang="mr" hreflang="mr" data-title="वस्तुमान" data-language-autonym="मराठी" data-language-local-name="Marathi" class="interlanguage-link-target"><span>मराठी</span></a></li><li class="interlanguage-link interwiki-arz mw-list-item"><a href="https://arz.wikipedia.org/wiki/%D9%83%D8%AA%D9%84%D9%87" title="كتله – Egyptian Arabic" lang="arz" hreflang="arz" data-title="كتله" data-language-autonym="مصرى" data-language-local-name="Egyptian Arabic" class="interlanguage-link-target"><span>مصرى</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Jisim" title="Jisim – Malay" lang="ms" hreflang="ms" data-title="Jisim" data-language-autonym="Bahasa Melayu" data-language-local-name="Malay" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-min mw-list-item"><a href="https://min.wikipedia.org/wiki/Massa" title="Massa – Minangkabau" lang="min" hreflang="min" data-title="Massa" data-language-autonym="Minangkabau" data-language-local-name="Minangkabau" class="interlanguage-link-target"><span>Minangkabau</span></a></li><li class="interlanguage-link interwiki-cdo mw-list-item"><a href="https://cdo.wikipedia.org/wiki/C%C3%A9k-li%C3%B4ng" title="Cék-liông – Mindong" lang="cdo" hreflang="cdo" data-title="Cék-liông" data-language-autonym="閩東語 / Mìng-dĕ̤ng-ngṳ̄" data-language-local-name="Mindong" class="interlanguage-link-target"><span>閩東語 / Mìng-dĕ̤ng-ngṳ̄</span></a></li><li class="interlanguage-link interwiki-mdf mw-list-item"><a href="https://mdf.wikipedia.org/wiki/%D0%A1%D1%82%D0%B0%D0%BB%D0%BC%D0%BE%D1%81%D1%8C" title="Сталмось – Moksha" lang="mdf" hreflang="mdf" data-title="Сталмось" data-language-autonym="Мокшень" data-language-local-name="Moksha" class="interlanguage-link-target"><span>Мокшень</span></a></li><li class="interlanguage-link interwiki-mn mw-list-item"><a href="https://mn.wikipedia.org/wiki/%D0%9C%D0%B0%D1%81%D1%81" title="Масс – Mongolian" lang="mn" hreflang="mn" data-title="Масс" data-language-autonym="Монгол" data-language-local-name="Mongolian" class="interlanguage-link-target"><span>Монгол</span></a></li><li class="interlanguage-link interwiki-my mw-list-item"><a href="https://my.wikipedia.org/wiki/%E1%80%92%E1%80%BC%E1%80%95%E1%80%BA%E1%80%91%E1%80%AF" title="ဒြပ်ထု – Burmese" lang="my" hreflang="my" data-title="ဒြပ်ထု" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="Burmese" class="interlanguage-link-target"><span>မြန်မာဘာသာ</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Massa_(natuurkunde)" title="Massa (natuurkunde) – Dutch" lang="nl" hreflang="nl" data-title="Massa (natuurkunde)" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ne mw-list-item"><a href="https://ne.wikipedia.org/wiki/%E0%A4%AA%E0%A4%BF%E0%A4%A3%E0%A5%8D%E0%A4%A1" title="पिण्ड – Nepali" lang="ne" hreflang="ne" data-title="पिण्ड" data-language-autonym="नेपाली" data-language-local-name="Nepali" class="interlanguage-link-target"><span>नेपाली</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E8%B3%AA%E9%87%8F" title="質量 – Japanese" lang="ja" hreflang="ja" data-title="質量" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-frr mw-list-item"><a href="https://frr.wikipedia.org/wiki/Mase" title="Mase – Northern Frisian" lang="frr" hreflang="frr" data-title="Mase" data-language-autonym="Nordfriisk" data-language-local-name="Northern Frisian" class="interlanguage-link-target"><span>Nordfriisk</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Masse" title="Masse – Norwegian Bokmål" lang="nb" hreflang="nb" data-title="Masse" data-language-autonym="Norsk bokmål" data-language-local-name="Norwegian Bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Masse" title="Masse – Norwegian Nynorsk" lang="nn" hreflang="nn" data-title="Masse" data-language-autonym="Norsk nynorsk" data-language-local-name="Norwegian Nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-nov mw-list-item"><a href="https://nov.wikipedia.org/wiki/Mase" title="Mase – Novial" lang="nov" hreflang="nov" data-title="Mase" data-language-autonym="Novial" data-language-local-name="Novial" class="interlanguage-link-target"><span>Novial</span></a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/Massa" title="Massa – Occitan" lang="oc" hreflang="oc" data-title="Massa" data-language-autonym="Occitan" data-language-local-name="Occitan" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-om mw-list-item"><a href="https://om.wikipedia.org/wiki/Hanga" title="Hanga – Oromo" lang="om" hreflang="om" data-title="Hanga" data-language-autonym="Oromoo" data-language-local-name="Oromo" class="interlanguage-link-target"><span>Oromoo</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Massa" title="Massa – Uzbek" lang="uz" hreflang="uz" data-title="Massa" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="Uzbek" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%AA%E0%A9%81%E0%A9%B0%E0%A8%9C" title="ਪੁੰਜ – Punjabi" lang="pa" hreflang="pa" data-title="ਪੁੰਜ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="Punjabi" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-pnb mw-list-item"><a href="https://pnb.wikipedia.org/wiki/%DA%A9%D9%85%DB%8C%D8%AA" title="کمیت – Western Punjabi" lang="pnb" hreflang="pnb" data-title="کمیت" data-language-autonym="پنجابی" data-language-local-name="Western Punjabi" class="interlanguage-link-target"><span>پنجابی</span></a></li><li class="interlanguage-link interwiki-ps mw-list-item"><a href="https://ps.wikipedia.org/wiki/%DA%A9%D8%AA%D9%84%D9%87" title="کتله – Pashto" lang="ps" hreflang="ps" data-title="کتله" data-language-autonym="پښتو" data-language-local-name="Pashto" class="interlanguage-link-target"><span>پښتو</span></a></li><li class="interlanguage-link interwiki-jam mw-list-item"><a href="https://jam.wikipedia.org/wiki/Mas" title="Mas – Jamaican Creole English" lang="jam" hreflang="jam" data-title="Mas" data-language-autonym="Patois" data-language-local-name="Jamaican Creole English" class="interlanguage-link-target"><span>Patois</span></a></li><li class="interlanguage-link interwiki-km mw-list-item"><a href="https://km.wikipedia.org/wiki/%E1%9E%98%E1%9F%89%E1%9E%B6%E1%9E%9F" title="ម៉ាស – Khmer" lang="km" hreflang="km" data-title="ម៉ាស" data-language-autonym="ភាសាខ្មែរ" data-language-local-name="Khmer" class="interlanguage-link-target"><span>ភាសាខ្មែរ</span></a></li><li class="interlanguage-link interwiki-pms mw-list-item"><a href="https://pms.wikipedia.org/wiki/Massa_(f%C3%ACsica)" title="Massa (fìsica) – Piedmontese" lang="pms" hreflang="pms" data-title="Massa (fìsica)" data-language-autonym="Piemontèis" data-language-local-name="Piedmontese" class="interlanguage-link-target"><span>Piemontèis</span></a></li><li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://nds.wikipedia.org/wiki/Masse_(Physik)" title="Masse (Physik) – Low German" lang="nds" hreflang="nds" data-title="Masse (Physik)" data-language-autonym="Plattdüütsch" data-language-local-name="Low German" class="interlanguage-link-target"><span>Plattdüütsch</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Masa_(fizyka)" title="Masa (fizyka) – Polish" lang="pl" hreflang="pl" data-title="Masa (fizyka)" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Massa" title="Massa – Portuguese" lang="pt" hreflang="pt" data-title="Massa" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ksh mw-list-item"><a href="https://ksh.wikipedia.org/wiki/Masse" title="Masse – Colognian" lang="ksh" hreflang="ksh" data-title="Masse" data-language-autonym="Ripoarisch" data-language-local-name="Colognian" class="interlanguage-link-target"><span>Ripoarisch</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Mas%C4%83" title="Masă – Romanian" lang="ro" hreflang="ro" data-title="Masă" data-language-autonym="Română" data-language-local-name="Romanian" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-qu mw-list-item"><a href="https://qu.wikipedia.org/wiki/Wisnu" title="Wisnu – Quechua" lang="qu" hreflang="qu" data-title="Wisnu" data-language-autonym="Runa Simi" data-language-local-name="Quechua" class="interlanguage-link-target"><span>Runa Simi</span></a></li><li class="interlanguage-link interwiki-rue mw-list-item"><a href="https://rue.wikipedia.org/wiki/%D0%9C%D0%B0%D1%81%D0%B0" title="Маса – Rusyn" lang="rue" hreflang="rue" data-title="Маса" data-language-autonym="Русиньскый" data-language-local-name="Rusyn" class="interlanguage-link-target"><span>Русиньскый</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%9C%D0%B0%D1%81%D1%81%D0%B0" title="Масса – Russian" lang="ru" hreflang="ru" data-title="Масса" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sah mw-list-item"><a href="https://sah.wikipedia.org/wiki/%D0%9C%D0%B0%D0%B0%D1%81%D1%81%D0%B0" title="Маасса – Yakut" lang="sah" hreflang="sah" data-title="Маасса" data-language-autonym="Саха тыла" data-language-local-name="Yakut" class="interlanguage-link-target"><span>Саха тыла</span></a></li><li class="interlanguage-link interwiki-sa mw-list-item"><a href="https://sa.wikipedia.org/wiki/%E0%A4%B8%E0%A4%82%E0%A4%B9%E0%A4%A4%E0%A4%BF%E0%A4%83_(%E0%A4%AD%E0%A5%8C%E0%A4%A4%E0%A4%B5%E0%A4%BF%E0%A4%9C%E0%A5%8D%E0%A4%9E%E0%A4%BE%E0%A4%A8%E0%A4%AE%E0%A5%8D)" title="संहतिः (भौतविज्ञानम्) – Sanskrit" lang="sa" hreflang="sa" data-title="संहतिः (भौतविज्ञानम्)" data-language-autonym="संस्कृतम्" data-language-local-name="Sanskrit" class="interlanguage-link-target"><span>संस्कृतम्</span></a></li><li class="interlanguage-link interwiki-sco mw-list-item"><a href="https://sco.wikipedia.org/wiki/Mass" title="Mass – Scots" lang="sco" hreflang="sco" data-title="Mass" data-language-autonym="Scots" data-language-local-name="Scots" class="interlanguage-link-target"><span>Scots</span></a></li><li class="interlanguage-link interwiki-stq mw-list-item"><a href="https://stq.wikipedia.org/wiki/Masse" title="Masse – Saterland Frisian" lang="stq" hreflang="stq" data-title="Masse" data-language-autonym="Seeltersk" data-language-local-name="Saterland Frisian" class="interlanguage-link-target"><span>Seeltersk</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Masa" title="Masa – Albanian" lang="sq" hreflang="sq" data-title="Masa" data-language-autonym="Shqip" data-language-local-name="Albanian" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-scn mw-list-item"><a href="https://scn.wikipedia.org/wiki/Massa" title="Massa – Sicilian" lang="scn" hreflang="scn" data-title="Massa" data-language-autonym="Sicilianu" data-language-local-name="Sicilian" class="interlanguage-link-target"><span>Sicilianu</span></a></li><li class="interlanguage-link interwiki-si mw-list-item"><a href="https://si.wikipedia.org/wiki/%E0%B7%83%E0%B7%8A%E0%B6%9A%E0%B6%B1%E0%B7%8A%E0%B6%B0%E0%B6%BA" title="ස්කන්ධය – Sinhala" lang="si" hreflang="si" data-title="ස්කන්ධය" data-language-autonym="සිංහල" data-language-local-name="Sinhala" class="interlanguage-link-target"><span>සිංහල</span></a></li><li class="interlanguage-link interwiki-sd mw-list-item"><a href="https://sd.wikipedia.org/wiki/%DA%AA%D9%85%D9%8A%D8%AA" title="ڪميت – Sindhi" lang="sd" hreflang="sd" data-title="ڪميت" data-language-autonym="سنڌي" data-language-local-name="Sindhi" class="interlanguage-link-target"><span>سنڌي</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Hmotnos%C5%A5" title="Hmotnosť – Slovak" lang="sk" hreflang="sk" data-title="Hmotnosť" data-language-autonym="Slovenčina" data-language-local-name="Slovak" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Masa" title="Masa – Slovenian" lang="sl" hreflang="sl" data-title="Masa" data-language-autonym="Slovenščina" data-language-local-name="Slovenian" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-szl mw-list-item"><a href="https://szl.wikipedia.org/wiki/Masa" title="Masa – Silesian" lang="szl" hreflang="szl" data-title="Masa" data-language-autonym="Ślůnski" data-language-local-name="Silesian" class="interlanguage-link-target"><span>Ślůnski</span></a></li><li class="interlanguage-link interwiki-so mw-list-item"><a href="https://so.wikipedia.org/wiki/Cuf" title="Cuf – Somali" lang="so" hreflang="so" data-title="Cuf" data-language-autonym="Soomaaliga" data-language-local-name="Somali" class="interlanguage-link-target"><span>Soomaaliga</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%D8%A8%D8%A7%D8%B1%D8%B3%D8%AA%DB%95" title="بارستە – Central Kurdish" lang="ckb" hreflang="ckb" data-title="بارستە" data-language-autonym="کوردی" data-language-local-name="Central Kurdish" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%9C%D0%B0%D1%81%D0%B0" title="Маса – Serbian" lang="sr" hreflang="sr" data-title="Маса" data-language-autonym="Српски / srpski" data-language-local-name="Serbian" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Masa" title="Masa – Serbo-Croatian" lang="sh" hreflang="sh" data-title="Masa" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="Serbo-Croatian" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-su mw-list-item"><a href="https://su.wikipedia.org/wiki/Massa" title="Massa – Sundanese" lang="su" hreflang="su" data-title="Massa" data-language-autonym="Sunda" data-language-local-name="Sundanese" class="interlanguage-link-target"><span>Sunda</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Massa" title="Massa – Finnish" lang="fi" hreflang="fi" data-title="Massa" data-language-autonym="Suomi" data-language-local-name="Finnish" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Massa" title="Massa – Swedish" lang="sv" hreflang="sv" data-title="Massa" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-tl mw-list-item"><a href="https://tl.wikipedia.org/wiki/Masa" title="Masa – Tagalog" lang="tl" hreflang="tl" data-title="Masa" data-language-autonym="Tagalog" data-language-local-name="Tagalog" class="interlanguage-link-target"><span>Tagalog</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%AA%E0%AF%8A%E0%AE%B0%E0%AF%81%E0%AE%A3%E0%AF%8D%E0%AE%AE%E0%AF%88" title="பொருண்மை – Tamil" lang="ta" hreflang="ta" data-title="பொருண்மை" data-language-autonym="தமிழ்" data-language-local-name="Tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-kab mw-list-item"><a href="https://kab.wikipedia.org/wiki/Takura" title="Takura – Kabyle" lang="kab" hreflang="kab" data-title="Takura" data-language-autonym="Taqbaylit" data-language-local-name="Kabyle" class="interlanguage-link-target"><span>Taqbaylit</span></a></li><li class="interlanguage-link interwiki-tt mw-list-item"><a href="https://tt.wikipedia.org/wiki/Massa" title="Massa – Tatar" lang="tt" hreflang="tt" data-title="Massa" data-language-autonym="Татарча / tatarça" data-language-local-name="Tatar" class="interlanguage-link-target"><span>Татарча / tatarça</span></a></li><li class="interlanguage-link interwiki-te mw-list-item"><a href="https://te.wikipedia.org/wiki/%E0%B0%A6%E0%B1%8D%E0%B0%B0%E0%B0%B5%E0%B1%8D%E0%B0%AF%E0%B0%B0%E0%B0%BE%E0%B0%B6%E0%B0%BF" title="ద్రవ్యరాశి – Telugu" lang="te" hreflang="te" data-title="ద్రవ్యరాశి" data-language-autonym="తెలుగు" data-language-local-name="Telugu" class="interlanguage-link-target"><span>తెలుగు</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%A1%E0%B8%A7%E0%B8%A5" title="มวล – Thai" lang="th" hreflang="th" data-title="มวล" data-language-autonym="ไทย" data-language-local-name="Thai" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tg mw-list-item"><a href="https://tg.wikipedia.org/wiki/%D0%9C%D0%B0%D1%81%D1%81%D0%B0" title="Масса – Tajik" lang="tg" hreflang="tg" data-title="Масса" data-language-autonym="Тоҷикӣ" data-language-local-name="Tajik" class="interlanguage-link-target"><span>Тоҷикӣ</span></a></li><li class="interlanguage-link interwiki-chr mw-list-item"><a href="https://chr.wikipedia.org/wiki/%E1%8E%A6%E1%8F%9F%E1%8F%8C%E1%8F%85_%E1%8E%A4%E1%8E%AA%E1%8F%97%E1%8F%97" title="ᎦᏟᏌᏅ ᎤᎪᏗᏗ – Cherokee" lang="chr" hreflang="chr" data-title="ᎦᏟᏌᏅ ᎤᎪᏗᏗ" data-language-autonym="ᏣᎳᎩ" data-language-local-name="Cherokee" class="interlanguage-link-target"><span>ᏣᎳᎩ</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/K%C3%BCtle" title="Kütle – Turkish" lang="tr" hreflang="tr" data-title="Kütle" data-language-autonym="Türkçe" data-language-local-name="Turkish" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%9C%D0%B0%D1%81%D0%B0" title="Маса – Ukrainian" lang="uk" hreflang="uk" data-title="Маса" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/%DA%A9%D9%85%DB%8C%D8%AA" title="کمیت – Urdu" lang="ur" hreflang="ur" data-title="کمیت" data-language-autonym="اردو" data-language-local-name="Urdu" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-ug mw-list-item"><a href="https://ug.wikipedia.org/wiki/%DB%8B%DB%95%D8%B2%D9%89%D9%86" title="ۋەزىن – Uyghur" lang="ug" hreflang="ug" data-title="ۋەزىن" data-language-autonym="ئۇيغۇرچە / Uyghurche" data-language-local-name="Uyghur" class="interlanguage-link-target"><span>ئۇيغۇرچە / Uyghurche</span></a></li><li class="interlanguage-link interwiki-vec mw-list-item"><a href="https://vec.wikipedia.org/wiki/Masa" title="Masa – Venetian" lang="vec" hreflang="vec" data-title="Masa" data-language-autonym="Vèneto" data-language-local-name="Venetian" class="interlanguage-link-target"><span>Vèneto</span></a></li><li class="interlanguage-link interwiki-vep mw-list-item"><a href="https://vep.wikipedia.org/wiki/Mass" title="Mass – Veps" lang="vep" hreflang="vep" data-title="Mass" data-language-autonym="Vepsän kel’" data-language-local-name="Veps" class="interlanguage-link-target"><span>Vepsän kel’</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Kh%E1%BB%91i_l%C6%B0%E1%BB%A3ng" title="Khối lượng – Vietnamese" lang="vi" hreflang="vi" data-title="Khối lượng" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamese" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-fiu-vro mw-list-item"><a href="https://fiu-vro.wikipedia.org/wiki/Mass_(f%C3%BC%C3%BCsiga)" title="Mass (füüsiga) – Võro" lang="vro" hreflang="vro" data-title="Mass (füüsiga)" data-language-autonym="Võro" data-language-local-name="Võro" class="interlanguage-link-target"><span>Võro</span></a></li><li class="interlanguage-link interwiki-zh-classical mw-list-item"><a href="https://zh-classical.wikipedia.org/wiki/%E8%B3%AA%E9%87%8F" title="質量 – Literary Chinese" lang="lzh" hreflang="lzh" data-title="質量" data-language-autonym="文言" data-language-local-name="Literary Chinese" class="interlanguage-link-target"><span>文言</span></a></li><li class="interlanguage-link interwiki-vls mw-list-item"><a href="https://vls.wikipedia.org/wiki/Massa" title="Massa – West Flemish" lang="vls" hreflang="vls" data-title="Massa" data-language-autonym="West-Vlams" data-language-local-name="West Flemish" class="interlanguage-link-target"><span>West-Vlams</span></a></li><li class="interlanguage-link interwiki-war mw-list-item"><a href="https://war.wikipedia.org/wiki/Masa" title="Masa – Waray" lang="war" hreflang="war" data-title="Masa" data-language-autonym="Winaray" data-language-local-name="Waray" class="interlanguage-link-target"><span>Winaray</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E8%B3%AA%E9%87%8F" title="質量 – Wu" lang="wuu" hreflang="wuu" data-title="質量" data-language-autonym="吴语" data-language-local-name="Wu" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-ts mw-list-item"><a href="https://ts.wikipedia.org/wiki/Vunyingi-swilo" title="Vunyingi-swilo – Tsonga" lang="ts" hreflang="ts" data-title="Vunyingi-swilo" data-language-autonym="Xitsonga" data-language-local-name="Tsonga" class="interlanguage-link-target"><span>Xitsonga</span></a></li><li class="interlanguage-link interwiki-yi mw-list-item"><a href="https://yi.wikipedia.org/wiki/%D7%9E%D7%90%D7%A1%D7%A2" title="מאסע – Yiddish" lang="yi" hreflang="yi" data-title="מאסע" data-language-autonym="ייִדיש" data-language-local-name="Yiddish" class="interlanguage-link-target"><span>ייִדיש</span></a></li><li class="interlanguage-link interwiki-yo mw-list-item"><a href="https://yo.wikipedia.org/wiki/%C3%80k%C3%B3j%E1%BB%8D_(f%C3%ADs%C3%ADks%C3%AC)" title="Àkójọ (físíksì) – Yoruba" lang="yo" hreflang="yo" data-title="Àkójọ (físíksì)" data-language-autonym="Yorùbá" data-language-local-name="Yoruba" class="interlanguage-link-target"><span>Yorùbá</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E8%B3%AA%E9%87%8F" title="質量 – Cantonese" lang="yue" hreflang="yue" data-title="質量" data-language-autonym="粵語" data-language-local-name="Cantonese" class="interlanguage-link-target"><span>粵語</span></a></li><li class="interlanguage-link interwiki-bat-smg mw-list-item"><a href="https://bat-smg.wikipedia.org/wiki/Mas%C4%97" title="Masė – Samogitian" lang="sgs" hreflang="sgs" data-title="Masė" data-language-autonym="Žemaitėška" data-language-local-name="Samogitian" class="interlanguage-link-target"><span>Žemaitėška</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E8%B4%A8%E9%87%8F" title="质量 – Chinese" lang="zh" hreflang="zh" data-title="质量" data-language-autonym="中文" data-language-local-name="Chinese" class="interlanguage-link-target"><span>中文</span></a></li><li class="interlanguage-link interwiki-bew mw-list-item"><a href="https://bew.wikipedia.org/wiki/Ombolan_(%C3%A8lmu_tab%C3%A8at)" title="Ombolan (èlmu tabèat) – Betawi" lang="bew" hreflang="bew" data-title="Ombolan (èlmu tabèat)" data-language-autonym="Betawi" data-language-local-name="Betawi" class="interlanguage-link-target"><span>Betawi</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q11423#sitelinks-wikipedia" title="Edit interlanguage links" class="wbc-editpage">Change links</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Namespaces"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a 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div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">For other uses, see <a href="/wiki/Mass_(disambiguation)" class="mw-disambig" title="Mass (disambiguation)">Mass (disambiguation)</a>.</div> <p>The <b>mass</b> of an object is a <a href="/wiki/Measure" class="mw-redirect" title="Measure">measure</a> of the how much <a href="/wiki/Matter" title="Matter">matter</a> is in it.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> A mountain has more mass than a rock. Mass is not the same thing as <a href="/wiki/Weight" title="Weight">weight</a>. </p><p>We can measure the mass of an object if a <a href="/wiki/Force" title="Force">force</a> acts on the object. If the mass is greater, the object will have less <a href="/wiki/Acceleration" title="Acceleration">acceleration</a> (change in its motion). This measure of mass is called <i>inertial mass</i> because it measures <a href="/wiki/Inertia" title="Inertia">inertia</a>.<sup id="cite_ref-:0_2-0" class="reference"><a href="#cite_note-:0-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p><p>A large mass like the Earth will attract a small mass like a human being with enough force to keep the human being from floating away. "Mass attraction" is another word for <a href="/wiki/Gravity" title="Gravity">gravity</a>, a force that exists between all matter. When we measure the force of gravity from an object, we can find its <i>gravitational mass</i>. Tests of inertial and gravitational mass show that they are the same or almost the same.<sup id="cite_ref-:0_2-1" class="reference"><a href="#cite_note-:0-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Units_of_mass">Units of mass</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Mass&veaction=edit&section=1" title="Change section: Units of mass" class="mw-editsection-visualeditor"><span>change</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Mass&action=edit&section=1" title="Edit section's source code: Units of mass"><span>change source</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The unit of mass in the <a href="/wiki/International_System_of_Units" title="International System of Units">International System of Units</a> is the <a href="/wiki/Kilogram" title="Kilogram">kilogram</a>, which is represented by the symbol 'kg'. Fractions and multiples of this basic unit include the gram (one thousandth of a kg, symbol 'g') and the <a href="/wiki/Ton" class="mw-disambig" title="Ton">tonne</a> (one thousand kg), amongst many others. </p><p>In some fields or applications, it is convenient to use different units to simplify the discussions or writings. For instance, </p> <ul><li>Atomic <a href="/wiki/Physicist" title="Physicist">physicists</a> deal with the tiny masses of individual <a href="/wiki/Atom" title="Atom">atoms</a> and measure them in <a href="/wiki/Atomic_mass_unit" class="mw-redirect" title="Atomic mass unit">atomic mass units</a>.</li> <li>Jewelers normally work with small <a href="/wiki/Jewel" title="Jewel">jewels</a> and precious stones where masses are traditionally measured in <a href="/wiki/Carat_(mass)" title="Carat (mass)">carats</a>, which correspond to 200 mg or 0.2 g.</li> <li>The masses of stars are very large and are sometimes expressed in units of <a href="/wiki/Solar_mass" title="Solar mass">solar masses</a>.</li></ul> <p>Traditional units are still in encountered in some countries: <a href="/wiki/Imperial_unit" class="mw-redirect" title="Imperial unit">imperial units</a> such as the <a href="/wiki/Ounce" title="Ounce">ounce</a> or the <a href="/wiki/Pound_(mass)" title="Pound (mass)">pound</a> were in widespread use within the British Empire. Some of them are still popular in the United States, which also uses units like the short <a href="/wiki/Ton" class="mw-disambig" title="Ton">ton</a> (2,000 pounds, 907 kg) and the long ton (2,240 pounds, 1010 kg), not to be confused with the metric ton (1,000 kg). </p> <div class="mw-heading mw-heading2"><h2 id="Conservation_of_mass_and_relativity">Conservation of mass and relativity</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Mass&veaction=edit&section=2" title="Change section: Conservation of mass and relativity" class="mw-editsection-visualeditor"><span>change</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Mass&action=edit&section=2" title="Edit section's source code: Conservation of mass and relativity"><span>change source</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r9671799"><div role="note" class="hatnote navigation-not-searchable">See the main article: <a href="/wiki/Conservation_of_mass" title="Conservation of mass">Conservation of mass</a></div> <p>Mass is an intrinsic property of the object: it does not depend on its volume, or position in space, for instance. For a long time (at least since the works of <a href="/wiki/Antoine_Lavoisier" title="Antoine Lavoisier">Antoine Lavoisier</a> in the second half of the eighteen century), it has been known that the sum of the masses of objects that interact or of the <a href="/wiki/Chemical_substance" title="Chemical substance">chemicals</a> that react remain conserved throughout these processes. This remains an excellent approximation for everyday life and even most laboratory work. </p><p>However, Einstein has shown through his <a href="/wiki/Special_relativity" title="Special relativity">special theory of relativity</a> that the mass <i>m</i> of an object moving at speed <i>v</i> with respect to an observer must be higher than the mass of the same object observed at rest <i>m<sub>0</sub></i> with respect to the observer. The applicable formula is </p><p><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle m={\frac {m_{0}}{\sqrt {1-(v^{2}/c^{2})}}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>m</mi> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <msub> <mi>m</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>0</mn> </mrow> </msub> <msqrt> <mn>1</mn> <mo>−</mo> <mo stretchy="false">(</mo> <msup> <mi>v</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> <mrow class="MJX-TeXAtom-ORD"> <mo>/</mo> </mrow> <msup> <mi>c</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> <mo stretchy="false">)</mo> </msqrt> </mfrac> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle m={\frac {m_{0}}{\sqrt {1-(v^{2}/c^{2})}}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/1297570a8871f67280e20a9d0802af3e7bf480c6" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -3.171ex; width:19.516ex; height:6.009ex;" alt="{\displaystyle m={\frac {m_{0}}{\sqrt {1-(v^{2}/c^{2})}}}}"></span> </p><p>where <i>c</i> stands for the <a href="/wiki/Speed_of_light" title="Speed of light">speed of light</a>. This change in mass is only important when the speed of the object with respect to the observer becomes a large fraction of <i>c</i>. </p> <div class="mw-heading mw-heading2"><h2 id="The_Quantum_Concept_of_Mass">The Quantum Concept of Mass</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Mass&veaction=edit&section=3" title="Change section: The Quantum Concept of Mass" class="mw-editsection-visualeditor"><span>change</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Mass&action=edit&section=3" title="Edit section's source code: The Quantum Concept of Mass"><span>change source</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><i>For further reference,see the <a href="/w/index.php?title=Gluon_field&action=edit&redlink=1" class="new" title="Gluon field (not yet started)">Gluon field</a> and <a href="/wiki/Higgs_boson" title="Higgs boson">Higgs boson</a></i> </p><p><br /> In atomic nuclei, example in <a href="/wiki/Proton" title="Proton">protons</a> and <a href="/wiki/Neutron" title="Neutron">neutrons</a>,the residual mass comes from the binding kinetic and potential energy of the quarks and gluon field. An analogy to go along with is to think of the 3 <a href="/wiki/Quark" title="Quark">quarks</a> as balls with the gluons as a spring connecting the quarks. This mass accounts for 99% of the mass of these <a href="/wiki/Baryon" title="Baryon">baryons</a> with the remaining 1% coming from the individual quarks which comes from quantum interactions with the Higgs field. </p> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Quark_structure_proton.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/9/92/Quark_structure_proton.svg/220px-Quark_structure_proton.svg.png" decoding="async" width="220" height="227" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/92/Quark_structure_proton.svg/330px-Quark_structure_proton.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/92/Quark_structure_proton.svg/440px-Quark_structure_proton.svg.png 2x" data-file-width="673" data-file-height="695" /></a><figcaption>The Quark Structure of the proton. Most hadronic/baryonic mass comes from the binding energy (kinetic&potential) of the gluon field (with the gluons represented as springs binding the quarks.)</figcaption></figure> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Candidate_Higgs_Events_in_ATLAS_and_CMS.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/7/79/Candidate_Higgs_Events_in_ATLAS_and_CMS.png/220px-Candidate_Higgs_Events_in_ATLAS_and_CMS.png" decoding="async" width="220" height="286" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/79/Candidate_Higgs_Events_in_ATLAS_and_CMS.png/330px-Candidate_Higgs_Events_in_ATLAS_and_CMS.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/79/Candidate_Higgs_Events_in_ATLAS_and_CMS.png/440px-Candidate_Higgs_Events_in_ATLAS_and_CMS.png 2x" data-file-width="720" data-file-height="937" /></a><figcaption>The ATLAS detection of the mass giving Higgs Boson. The Higgs field gives elementary particles their mass and the corresponding field can be thought of as an infinite source of weak hypercharge and mass.</figcaption></figure> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Mass&veaction=edit&section=4" title="Change section: References" class="mw-editsection-visualeditor"><span>change</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Mass&action=edit&section=4" title="Edit section's source code: References"><span>change source</span></a><span class="mw-editsection-bracket">]</span></span></div> <ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><a href="#cite_ref-1">↑</a></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r9724332">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFTsokos2005" class="citation book cs1">Tsokos, K. A. (2005). <a rel="nofollow" class="external text" href="https://archive.org/details/physicsforibdipl0000tsok"><i>Physics for the IB Diploma</i></a>. Cambridge, United Kingdom: Cambridge University Press. p. <a rel="nofollow" class="external text" href="https://archive.org/details/physicsforibdipl0000tsok/page/63">63</a>. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/9780521604055" title="Special:BookSources/9780521604055"><bdi>9780521604055</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Physics+for+the+IB+Diploma&rft.place=Cambridge%2C+United+Kingdom&rft.pages=63&rft.pub=Cambridge+University+Press&rft.date=2005&rft.isbn=9780521604055&rft.aulast=Tsokos&rft.aufirst=K.+A.&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fphysicsforibdipl0000tsok&rfr_id=info%3Asid%2Fsimple.wikipedia.org%3AMass" class="Z3988"></span></span> </li> <li id="cite_note-:0-2"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-:0_2-0">2.0</a></sup> <sup><a href="#cite_ref-:0_2-1">2.1</a></sup></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r9724332"><cite id="CITEREFKnight2003" class="citation book cs1">Knight, Randall Dewey (2003). <a rel="nofollow" class="external text" href="https://www.worldcat.org/oclc/54427199"><i>Physics for scientists and engineers with modern physics : a strategic approach</i></a>. San Francisco: Pearson/Addison-Wesley. p. 349. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/0-321-24329-3" title="Special:BookSources/0-321-24329-3"><bdi>0-321-24329-3</bdi></a>. <a href="/wiki/OCLC_(identifier)" class="mw-redirect" title="OCLC (identifier)">OCLC</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/oclc/54427199">54427199</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Physics+for+scientists+and+engineers+with+modern+physics+%3A+a+strategic+approach&rft.place=San+Francisco&rft.pages=349&rft.pub=Pearson%2FAddison-Wesley&rft.date=2003&rft_id=info%3Aoclcnum%2F54427199&rft.isbn=0-321-24329-3&rft.aulast=Knight&rft.aufirst=Randall+Dewey&rft_id=https%3A%2F%2Fwww.worldcat.org%2Foclc%2F54427199&rfr_id=info%3Asid%2Fsimple.wikipedia.org%3AMass" class="Z3988"></span></span> </li> </ol> <div class="mw-heading mw-heading2"><h2 id="Related_pages">Related pages</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Mass&veaction=edit&section=5" title="Change section: Related pages" class="mw-editsection-visualeditor"><span>change</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Mass&action=edit&section=5" title="Edit section's source code: Related pages"><span>change source</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Mass_versus_weight" title="Mass versus weight">Mass versus weight</a></li> <li><a href="/wiki/Center_of_mass" title="Center of mass">Center of mass</a></li> <li><a href="/wiki/Gravity" title="Gravity">Gravity</a></li> <li><a href="/wiki/Density" title="Density">Density</a></li> <li><a href="/wiki/Body_mass_index" title="Body mass index">Body mass index</a></li> <li><a href="/wiki/Momentum" title="Momentum">Momentum</a></li> <li>Advanced topics: <ul><li><a href="/wiki/Standard_Model" title="Standard Model">Standard Model</a></li> <li><a href="/wiki/Higgs_field" title="Higgs field">Higgs field</a>.</li></ul></li></ul>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1&useformat=desktop" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://simple.wikipedia.org/w/index.php?title=Mass&oldid=9858686">https://simple.wikipedia.org/w/index.php?title=Mass&oldid=9858686</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Special:Categories" title="Special:Categories">Categories</a>: <ul><li><a href="/wiki/Category:Physical_quantity" title="Category:Physical quantity">Physical quantity</a></li><li><a href="/wiki/Category:Matter" title="Category:Matter">Matter</a></li><li><a href="/wiki/Category:Mechanics" title="Category:Mechanics">Mechanics</a></li><li><a href="/wiki/Category:Basic_physics_ideas" title="Category:Basic physics ideas">Basic physics ideas</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Hidden category: <ul><li><a href="/wiki/Category:Pages_using_the_JsonConfig_extension" title="Category:Pages using the JsonConfig extension">Pages using the JsonConfig extension</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> This page was last changed on 1 November 2024, at 16:38.</li> <li id="footer-info-copyright">Text is available under the <a rel="nofollow" class="external text" href="//creativecommons.org/licenses/by-sa/4.0/">Creative Commons Attribution-ShareAlike License</a> and the <a href="/wiki/Wikipedia:Text_of_the_GNU_Free_Documentation_License" title="Wikipedia:Text of the GNU Free Documentation License">GFDL</a>; additional terms may apply. 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