那一叠扑克牌放在桌面上,对第一张施一个平行于桌面的力,使原本的正六面体变成斜六面体。请问拉动过程中第一张,第二张和第三张扑克牌分别怎么受力呢?
谢谢!
那一叠扑克牌放在桌面上,对第一张施一个平行于桌面的力,使原本的正六面体变成斜六面体。请问拉动过程中第一张,第二张和第三张扑克牌分别怎么受力呢?
谢谢!
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