有關阻力的問題
回答 (2)
2008-04-16 5:30 pm
✔ 最佳答案
相信你係講緊摩擦力。行路時鞋底與地面，無摩擦力會行唔郁，車都一樣。
手攪的車積，無摩擦力會放開手時會降番落嚟。類似的還有樽蓋及縲絲，無摩擦力放開手時會自動開，擰唔實。重有攝住隻門嗰舊嘢.......好多好多。
2008-04-16 9:28 am
Please clarify what you are asking.
What do you mean by "阻力"?
Do you mean "摩擦力", or "空氣阻力"?
What do you mean by "阻力"?
Do you mean "摩擦力", or "空氣阻力"?
收錄日期: 2021-04-29 00:01:59
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080416000051KK00108