畫自由體圖的觀念 - 考試

By Regina
at 2015-05-11T09:58
at 2015-05-11T09:58
Table of Contents
請高手賜教,小弟很笨:-S
謝謝你
題目如下圖
http://i.imgur.com/Ps04tuQ.jpg
請問
1.為什麼當取AB桿的FBD時,B點位置的受力不用加上B球的重量600(N)呢?
2.C點的T不是因為B球的600而往上拉嗎?照理說應當加上600,但解析沒加?為什麼呢??
?
以下是我自己畫的不是答案,答案在上圖喔
http://i.imgur.com/eMYpR2s.jpg
--
Sent from my Android
--
謝謝你
題目如下圖
http://i.imgur.com/Ps04tuQ.jpg
請問
1.為什麼當取AB桿的FBD時,B點位置的受力不用加上B球的重量600(N)呢?
2.C點的T不是因為B球的600而往上拉嗎?照理說應當加上600,但解析沒加?為什麼呢??
?
以下是我自己畫的不是答案,答案在上圖喔
http://i.imgur.com/eMYpR2s.jpg
--
Sent from my Android
--
Tags:
考試
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