Magnetic force can act on an object at a distance without touching it. It is a kind of non-contact force.
Can you give me 2 more kind of non-contack force?????
What other things have non-contact force?????
magnetic force 10分呀!!!!!!
2007-02-08 5:07 am
回答 (2)
2007-02-08 5:48 am
✔ 最佳答案
第一,gravitational force 地心吸力~這個我不用給例子吧吧
第二,electrostatic force 靜電力~即係+同-之間既吸力
例如電芯正極會吸電子~閃電等
參考: 自己
2007-02-08 5:24 am
force of the gravity(地心吸力）
force of attraction(萬有引力）
force of attraction(萬有引力）
收錄日期: 2021-04-12 22:47:07
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070207000051KK03782