地球是圓的,為什麼人仍覺得自己是直立的?
回答 (2)
2007-02-03 10:00 pm
✔ 最佳答案
地球直徑12756公里,這麼大我們看起來當然覺得是直的因為弧形是由無數直線組成的~
2007-02-03 14:05:08 補充：
所以我站在地平線上看上去便似是平面~
2007-02-04 1:20 am
It is because the force of gravity is always directed towards the centre of the earth. Under such situation, your weight is in a direction perpendicular to the ground where you are standing. This is the reason why you feel that you are [standing upright].
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原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070203000051KK01837