問題在此..
http://i159.photobucket.com/albums/t152/roy219_2007/20090209035.jpg
求解釋..和如何作答該類問題..thx^^
force and motion...physics.
2009-02-09 9:39 pm
回答 (1)
2009-02-10 10:38 am
✔ 最佳答案
Initially,there is only one force acted on the tolley and the sensor. i.e. the weight.So using F=ma (where a=g=10 ms^-2)
2.43741=10m
m = 0.243741 kg=243.741 g
收錄日期: 2021-04-26 13:05:06
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20090209000051KK00604