![](https://i.imgur.com/tHDNZ6H.jpg)
[問題] 機械利益
![](https://i.imgur.com/tHDNZ6H.jpg)
請問第八題機械利益C跟D有什麼差別?
答案為什麼是D, 一個是F力沿斜面方
向,一個F力沿水平方向??
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推
03/27 16:48, , 1F
03/27 16:48, 1F
推
03/27 17:10, , 2F
03/27 17:10, 2F
→
03/27 17:10, , 3F
03/27 17:10, 3F
→
03/27 17:11, , 4F
03/27 17:11, 4F
→
03/27 17:11, , 5F
03/27 17:11, 5F
→
03/27 17:49, , 6F
03/27 17:49, 6F
推
03/27 19:46, , 7F
03/27 19:46, 7F
![](https://i.imgur.com/q0y1hSI.jpg)
推
03/28 05:37, , 8F
03/28 05:37, 8F
推
03/28 09:23, , 9F
03/28 09:23, 9F
→
03/28 09:23, , 10F
03/28 09:23, 10F
→
03/28 09:23, , 11F
03/28 09:23, 11F
推
03/28 11:29, , 12F
03/28 11:29, 12F
→
03/28 11:30, , 13F
03/28 11:30, 13F
→
03/28 11:31, , 14F
03/28 11:31, 14F
![](https://i.imgur.com/VR4NJdd.jpg)
→
03/28 11:33, , 15F
03/28 11:33, 15F
推
03/28 11:35, , 16F
03/28 11:35, 16F
![](https://i.imgur.com/syuufRK.jpg)
→
03/28 17:20, , 17F
03/28 17:20, 17F