更新1:
但係R1同F1,,R2同F25係CANCELL咩
f4phy:force急!
2008-12-27 7:11 am
a car of w 18000N is at rest on a horizontal road.if its rear wheels exert a force of 10500N on ground,what is the force exerted by its front wheels on road?(detailed steps)
回答 (1)
2008-12-27 9:49 am
✔ 最佳答案
The answer is as follows:圖片參考：http://i277.photobucket.com/albums/kk75/uncle_michael/20081227_phy_1.jpg?t=1230313705
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原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20081226000051KK02034