摘要
学习如何爬上墙面涉及了多的令人吃惊的物理学知识。
教练亚历克斯·拜尔为8名攀岩新手提供简单的解释，说明力、质量与加速度的相互作用。
A surprising amount of physics is involved in learning how to shimmy up a wall.
For eight fledgling climbers,instructor Alex Beyer offers a simple explanation on the interplay of force, mass and acceleration.
