{"type":"rich","version":"1.0","title":"Newton's 1st law (vector notation)","html":"<span class=\"wb-embed wb-embed-math\" data-latex=\"\\sum \\overrightarrow{F}_{ext}=0 \\Rightarrow  \\frac{d\\overrightarrow{v}}{dt}=0\">\\sum \\overrightarrow{F}_{ext}=0 \\Rightarrow  \\frac{d\\overrightarrow{v}}{dt}=0</span><footer><cite class=\"wb-embed-author\">Rong Martin-Siebler ZHOU</cite></footer>","width":640,"height":320}