球形空腔内的粒子对内壁作用力的讨论
石凤良, 李敬林
Discussion on the force which a particle acting on the inner wall of a spherical cavity
SHI Feng-liang, LI Jing-lin
大学物理 . 2019, (7): 23 .  DOI: 10.16854 /j.cnki.1000-0712.180455