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Friction"}],"title":"Static to Kinetic Friction","sceneCode":"<!doctype html>\n<html lang=\"en\">\n<head>\n  <meta charset=\"utf-8\"/>\n  <meta name=\"viewport\" content=\"width=device-width, initial-scale=1\"/>\n  <title>Static vs Kinetic Friction</title>\n  <style>\n    :root{--bg:#101417;--panel:#1c232e;--line:#3b4a55;--accent:#e0b15b;--text:#f3f7fa;--muted:#a8b4bf;--blue:#4ea8ff;--green:#8decb0;--red:#df8279;}\n    *{box-sizing:border-box;}\n    body{margin:0;font-family:\"Plus Jakarta Sans\",\"Manrope\",\"Inter\",ui-sans-serif,system-ui,sans-serif;background:radial-gradient(120% 90% at 20% -5%,#2a3944 0%,var(--bg) 58%);color:var(--text);}\n    main{min-height:100vh;display:grid;grid-template-columns:minmax(300px,380px) 1fr;}\n    aside{border-right:1px solid var(--line);background:linear-gradient(180deg,rgba(28,35,46,.86),rgba(14,18,26,.94));padding:24px;overflow:auto;backdrop-filter:blur(6px);}\n    section{padding:24px;display:grid;place-items:center;}\n    h1{margin:0 0 10px;font-size:1.65rem;line-height:1.15;}\n    .sub{margin:0 0 16px;color:var(--muted);}\n    .formula{margin:0 0 14px;padding:10px;border:1px solid var(--line);border-radius:10px;background:#162029;color:var(--accent);font-family:ui-monospace,monospace;font-size:0.9rem;box-shadow:inset 0 0 28px rgba(224,177,91,.14);}\n    .control{display:grid;gap:6px;margin:12px 0;}\n    .control input{width:100%;accent-color:var(--accent);}\n    ul{margin:14px 0 0 18px;padding:0;color:var(--muted);display:grid;gap:6px;}\n    .stage{width:min(1020px,95%);aspect-ratio:16/9;border:1px solid #4b6170;border-radius:14px;position:relative;overflow:hidden;background:radial-gradient(circle at 50% 38%,#3f6272,#141b22 72%);box-shadow:0 18px 60px rgba(0,0,0,.42), inset 0 0 90px rgba(255,255,255,.05);}\n    .stage::before{content:\"\";position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.06),transparent 34%);pointer-events:none;}\n    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id=\"v-mu-k\">0.3</strong></span><input id=\"c-mu-k\" type=\"range\" min=\"0.1\" max=\"0.6\" step=\"0.05\" value=\"0.3\"/></label>\n    <label class=\"control\"><span>Mass: <strong id=\"v-mass\">2</strong> kg</span><input id=\"c-mass\" type=\"range\" min=\"1\" max=\"5\" step=\"0.5\" value=\"2\"/></label>\n    <ul>\n      <li><strong>❌ Misconception:</strong> Friction is the same whether object moves or not</li>\n      <li><strong>✓ Truth:</strong> Static friction varies (0 to μ_s·N), kinetic is constant</li>\n      <li><strong>Key:</strong> Once moving, kinetic &lt; static</li>\n      <li><strong>Observe:</strong> Push harder to start motion, then easier to keep moving</li>\n    </ul>\n  </aside>\n  <section>\n    <div class=\"stage\" id=\"stage\">\n      <div class=\"legend\" id=\"legend\">Apply force to block</div>\n      <canvas id=\"sim-cv\" style=\"position:absolute;inset:0;width:100%;height:100%;\"></canvas>\n    </div>\n  </section>\n</main>\n<script>\nconst controls = [\n  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/ms-playwright/chromium_headless_shell-1223/chrome-headless-shell-linux64/chrome-headless-shell: error while loading shared libraries: libXfixes.so.3: cannot open shared object file: No such file or directory\n  - [pid=51] <gracefully close start>\n  - [pid=51] <kill>\n  - [pid=51] <will force kill>\n  - [pid=51] exception while trying to kill process: Error: kill ESRCH\n  - [pid=51] <process did exit: exitCode=127, signal=null>\n  - [pid=51] starting temporary directories cleanup\n  - [pid=51] finished temporary directories cleanup\n  - [pid=51] <gracefully close end>\n","retryable":true}}