MATHLET
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<div style="padding:40px;color:#cbccc6"><h1>斯托克斯阻力</h1><p>低雷诺数小球受到的粘滞阻力与速度成正比;横轴速度 v。</p><div style="padding:20px;background:#0d1017;border-left:3px solid #ffb454"><span class="katex-display"><span class="katex"><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6833em;"></span><span class="mord mathnormal" style="margin-right:0.1389em;">F</span><span class="mspace" style="margin-right:0.2778em;"></span><span class="mrel">=</span><span class="mspace" style="margin-right:0.2778em;"></span></span><span class="base"><span class="strut" style="height:0.8389em;vertical-align:-0.1944em;"></span><span class="mord">6</span><span class="mord mathnormal" style="margin-right:0.0359em;">π</span><span class="mord mathnormal" style="margin-right:0.0359em;">η</span><span class="mord mathnormal" style="margin-right:0.0278em;">r</span><span class="mord mathnormal" style="margin-right:0.0359em;">v</span></span></span></span></span></div><p style="color:#707a8c">该页面需要 JavaScript 进行交互式可视化。</p></div>