EPISODE · Nov 14, 2025 · 2 MIN
第91集《地心引力的实验》
from 奇妙科学小故事
# � **科学知识点总结****1. 自由落体的基本原理*** 在真空中，任何物体下落速度一致，与重量无关。**2. 空气阻力（Drag）*** 表面积、形状和表面粗糙度会影响空气阻力大小。* 粗糙表面会形成湍流，降低阻力，使物体落得更快。**3. 表面纹路的科学应用**
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第91集《地心引力的实验》
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