請問牛頓第3運動定律及圓周運動與萬有引力??20點,急需! - 運動
By Genevieve
at 2008-10-26T00:00
at 2008-10-26T00:00
Table of Contents
因為問題很多,請耐心回答囉!!謝謝!!請回答下列問題:1.反作用力:施力於物體時,物體產生一個()力,反作用於()者,這個反抗力稱為反作用力.例:1.A對B施力,則反作用力為()對()施力.2.某人施力用力推牆,則反作用力()對()施力.3.書本放在桌上靜止不動,則反作用力為()對()施力.--------------------------------------------------
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運動
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By Yuri
at 2008-10-29T01:35
at 2008-10-29T01:35
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at 2008-10-28T20:23
at 2008-10-28T20:23
By Joe
at 2008-10-30T20:27
at 2008-10-30T20:27
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