作者查詢 / m21423
作者 m21423 在 PTT [ Physics ] 看板的留言(推文), 共55則
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15F推: 恰可移動甲加速度為0 若乙有受摩擦力不就有相對滑動了07/12 19:52
1F推: 你覺得那是圓周運動嗎04/03 16:41
24F推: 黑體輻射…12/20 19:16
1F推: 推11/21 08:22
15F推: 有的老師哪在管細節對不對 反正照答案解釋11/26 12:12
8F推: 推05/06 18:08
6F推: 相角領先 sin(kx1-ω(t+T/4)) , T為週期03/14 03:41
9F推: 龍騰市售的也還不錯啊 課堂講義是排版亂了點01/04 16:21
1F推: 人跳是對地垂直 所以速度是有變化的07/10 12:27
3F推: 有摩擦力的話 手對牆就不是垂直牆面施力了07/03 13:33
7F推: 兩垂直向量相加 怎麼看方向都會變吧07/04 14:03
21F推: 手對牆的作用力包含正向力加上摩擦力 就像你說放地上的物07/06 02:03
22F→: 體 物對地也是正向力加上摩擦力07/06 02:03
23F推: 另外 摩擦力就是兩物表面間的作用力 不可能沒有反作用力07/06 02:26
25F推: 難道牆受到的力不是你手給的 ? 牆從來沒受到重力07/06 13:09
26F→: 應該說牆跟你的手間的力 難道摩擦力不是你手給的07/06 13:10
27F推: 平常計算時把水平和鉛直拆開 但都是N十一物對另一物作用07/06 13:17
28F→: 力 當然要加總 這種題目問在地面的方塊 給地板多少力07/06 13:17
29F→: 也常常會有人只寫正向力07/06 13:17
30F→: N十一=>同一07/06 13:17
14F推: N個質點受到某個外力作等速度運動?06/14 21:03