[請益] 壓力P是什麼量?
想請問壓力P = F/A
算出來是什麼量?
我想至少確定P不是vector
我一直以為P是所謂的tensor
但今天在讀南一版的高二物理課本,
課本上有一句話說
『作用在液體中任一點的壓力,沒有一定方向,所以壓力是一個純量。』
所以P到底是張量還是純量?
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推
06/05 14:11, , 1F
06/05 14:11, 1F
→
06/05 14:12, , 2F
06/05 14:12, 2F
→
06/05 14:15, , 3F
06/05 14:15, 3F
推
06/05 14:16, , 4F
06/05 14:16, 4F
推
06/05 14:17, , 5F
06/05 14:17, 5F
推
06/05 14:42, , 6F
06/05 14:42, 6F
→
06/05 14:42, , 7F
06/05 14:42, 7F
→
06/05 14:43, , 8F
06/05 14:43, 8F
→
06/05 14:44, , 9F
06/05 14:44, 9F
→
06/05 14:44, , 10F
06/05 14:44, 10F
推
06/05 18:30, , 11F
06/05 18:30, 11F
推
06/05 19:12, , 12F
06/05 19:12, 12F
推
06/05 19:52, , 13F
06/05 19:52, 13F
→
06/05 19:53, , 14F
06/05 19:53, 14F
→
06/05 19:54, , 15F
06/05 19:54, 15F
→
06/05 22:48, , 16F
06/05 22:48, 16F
推
06/05 22:52, , 17F
06/05 22:52, 17F
→
06/05 22:53, , 18F
06/05 22:53, 18F
→
06/05 23:08, , 19F
06/05 23:08, 19F
→
06/05 23:09, , 20F
06/05 23:09, 20F
→
06/05 23:12, , 21F
06/05 23:12, 21F
→
06/05 23:13, , 22F
06/05 23:13, 22F
→
06/05 23:13, , 23F
06/05 23:13, 23F
→
06/05 23:16, , 24F
06/05 23:16, 24F
→
06/05 23:18, , 25F
06/05 23:18, 25F
推
06/05 23:32, , 26F
06/05 23:32, 26F
→
06/05 23:32, , 27F
06/05 23:32, 27F
→
06/05 23:35, , 28F
06/05 23:35, 28F
→
06/05 23:35, , 29F
06/05 23:35, 29F
→
06/05 23:38, , 30F
06/05 23:38, 30F
推
06/06 00:11, , 31F
06/06 00:11, 31F
→
06/06 00:15, , 32F
06/06 00:15, 32F
→
06/06 00:19, , 33F
06/06 00:19, 33F
→
06/06 00:20, , 34F
06/06 00:20, 34F
推
06/06 01:40, , 35F
06/06 01:40, 35F
→
06/06 01:41, , 36F
06/06 01:41, 36F
推
06/06 12:44, , 37F
06/06 12:44, 37F
→
06/06 12:49, , 38F
06/06 12:49, 38F
→
06/06 12:51, , 39F
06/06 12:51, 39F
→
06/06 12:56, , 40F
06/06 12:56, 40F
→
06/06 12:57, , 41F
06/06 12:57, 41F
推
06/06 23:29, , 42F
06/06 23:29, 42F
推
06/07 02:07, , 43F
06/07 02:07, 43F
→
06/07 02:08, , 44F
06/07 02:08, 44F
推
06/07 12:46, , 45F
06/07 12:46, 45F
推
06/07 19:32, , 46F
06/07 19:32, 46F
→
08/13 16:19, , 47F
08/13 16:19, 47F
→
09/17 14:18, , 48F
09/17 14:18, 48F
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