Taken from an MCQ
An astronaut on the moon finds that his weight is about one-sixth of his weight on the earth.
Can he lift a greater load on the moon than on the earth? Why?
F4 physics (Force and Motion)
2009-04-09 7:58 am
回答 (1)
2009-04-09 9:06 am
✔ 最佳答案
雖然體重會承受部分重物的重量,但人的重量與手的承托力是沒有很大的關係的,因為拿重物時,所使用的力很大部分取決於手的承托力,而手的承托力是與肌肉的韌力成正比的,所以即使太空人在月球時的體重會減少,但唔會影響佢手的肌肉的韌力同手的承托力,所以他在月球可以拿到比地球更重的東西.
參考: my knowledge
收錄日期: 2021-04-23 23:20:38
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20090408000051KK02349