Challenging Physics
Three thin, uniform rods each of length L are arranged in the shape of an inverted U. The two rods on the arms of the U each have mass m; the third rod has mass 2m. How far below the midpoint of the horizontal rod is the centre of mass of this assembly?
回答 (1)
收錄日期: 2021-04-23 17:12:10
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070722000051KK00405
檢視 Wayback Machine 備份