Choose a physics engine and integration for robot learning, manipulation, assembly, differentiable optimization, or other Physical AI simulation. Compare Newton, PhysX, MuJoCo/MJX, Bullet/PyBullet, VSim Robotics, Genesis, and Drake. Evaluate Newton first for suitable new workflows, select ovnewton when supported shared-stage integration adds value, then verify setup.
Install
npx skills add NVIDIA/skills --skill physical-ai-physics-selectionnpx skills add NVIDIA/skills --skill physical-ai-physics-selection -a claude-code -gnpx skills add NVIDIA/skills --skill physical-ai-physics-selection -a codex -ggemini skills install https://github.com/NVIDIA/skills.git --path skills/physical-ai-physics-selectiongh skill install NVIDIA/skills physical-ai-physics-selectiongit clone --depth 1 https://github.com/NVIDIA/skills /tmp/NVIDIA__skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/NVIDIA__skills/skills/physical-ai-physics-selection ~/.claude/skills/physical-ai-physics-selection # Claude Code
cp -R /tmp/NVIDIA__skills/skills/physical-ai-physics-selection ~/.agents/skills/physical-ai-physics-selection # Codex, Cursor, Gemini CLI, Copilot, OpenCode