中學物理~等速度運動跟合力做功 - 運動

By Frederica
at 2012-05-22T00:00
at 2012-05-22T00:00
Table of Contents
物體做等速度運動時,外界的合力對其做功為零!請問這是根據甚麼原理呢?請板上各位物理達人賜教~謝謝!謝謝!
Tags:
運動
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By Hedda
at 2012-05-26T04:15
at 2012-05-26T04:15

By Vanessa
at 2012-05-26T04:51
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at 2012-05-22T20:03
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at 2012-05-24T02:53
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at 2012-05-24T21:25
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