力
顯示第 1 至 24 項結果，共 80 項
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DIY密碼鎖
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DIY牛頓擺 重力勢能與動能轉化 DIY Newton’s Cradle
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DIY磁懸浮筆 DIY Magnetic Levitation Pen
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DIY電磁感應風扇
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S形擺（單擺的週期只和擺長有關)
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仿生啄木鳥（重力與往復運動令鳥徐徐落下)
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仿生風力動能爬行機械 (仿生學)
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吊掛式天秤（天秤的工作原理)
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單輪電單車(平衡車)
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四輪車 (牛頓第二定律)
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大小雙單擺（單擺的週期只和擺長有關)
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家務助理擦擦車(往復運動)
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小丑走鋼線(重心與支點)
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平衡三角形（重心與平衡)
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平衡鳥
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彈性碰撞金屬球
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慣性小球
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手掌式三維立體針雕互動模型
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手提小風扇
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手搖齒輪組（5齒輪）
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手搖齒輪組起重機（3齒輪）
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托盤式天秤（連砝碼)
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投石器(槓桿,拋物線與夾角實驗)
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拱形橋
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