
[問題] 簡諧運動

請問-Lmgsin日=md^2S/dt^2 裡面的-Lmgsin日為什麼是負號? 如果今天擺錘在左邊也會是-Lmgsin日=md^2S/dt^2
嗎?
-----
Sent from JPTT on my Asus ASUS_Z00AD.
--
※ 發信站: 批踢踢實業坊(ptt.cc), 來自: 180.217.178.205
※ 文章網址: https://www.ptt.cc/bbs/Physics/M.1448173645.A.F62.html
※ 編輯: holyguru (180.217.178.205), 11/22/2015 14:28:41
※ 編輯: holyguru (180.217.178.205), 11/22/2015 14:30:38
推
11/22 15:28, , 1F
11/22 15:28, 1F
推
11/22 17:25, , 2F
11/22 17:25, 2F
→
11/23 07:49, , 3F
11/23 07:49, 3F
→
11/23 07:49, , 4F
11/23 07:49, 4F
→
11/23 07:49, , 5F
11/23 07:49, 5F
→
11/23 07:49, , 6F
11/23 07:49, 6F
→
11/23 08:00, , 7F
11/23 08:00, 7F
→
11/23 08:00, , 8F
11/23 08:00, 8F
→
11/23 08:00, , 9F
11/23 08:00, 9F
討論串 (同標題文章)