作者查詢 / Winson1017
作者 Winson1017 在 PTT [ Physics ] 看板的留言(推文), 共29則
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1F→:感謝P大,若照您這樣說的話,當中間斜線愈接近水平時,10/01 11:18
2F→:T2就愈大,那麼lim角度-->0,T2就會無限大囉??小弟就是覺10/01 11:20
3F→:得這一點不太合理,因為感覺日常生活種繩子拉水平的事是10/01 11:20
4F→:幾乎可以辦的到的,而且力量不用到無線大10/01 11:21
5F→:從另一個角度來思考,一條空繩子有沒有可能拉成水平?10/01 11:21
6F→:繩有自己的mg,理論上只靠x的水平力量是無法拉直的,可是10/01 11:22
7F→:在日常生活中似乎可以,這就是困擾小弟的地方10/01 11:23
1F推:感謝S大,不過第二題是期中考題目,他只給了幾個數字來給10/01 11:16
2F→:學生們選擇(1)5N (2)10N (3)20N (4)比20N多非常多10/01 11:17
3F推:想再請問S大有關第一題,如果空氣流重所造成的下壓=蚊子10/01 11:29
4F→:重,那麼如果蚊子有時拍大力有時候拍小力的壓力都=重量10/01 11:30
5F→:嗎?10/01 11:31
2F推:蓋04/04 01:36
5F→:請問網上有辦法弄到古題嗎?10/01 11:46
7F→:感謝10/01 12:36