http://i303.photobucket.com/albums/nn138/28875392/TTTTT.jpg
find tension S1 and S2
with detail explanation.thanks
physics ce of force
2010-03-17 9:49 pm
回答 (1)
2010-03-17 11:19 pm
✔ 最佳答案
Resolve thension S1 into vertical and horizontal directions.Vertical direction: S1.sin(30) = 50
i.e. S1 = 50/sin(30) N = 100 N
Horizontal direction: S1.cos(30) = S2
i.e. S2 = 100.cos(30) N = 86.6 N
收錄日期: 2021-04-29 17:36:11
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20100317000051KK00561