更新1:
更正: 長度單位為m
physics tension in a string
回答 (1)
2013-02-09 6:56 am
✔ 最佳答案
Use Hooke's Law: force = (stiffness constant) x (extension of string)
收錄日期: 2021-04-29 17:47:19
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20130208000051KK00295