萬向風力小車 (氣流角度與推進方向的關係)

SKU: K331
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SKU: K331 Category:

材質:環保木材、塑料及電子元件

尺寸:105*140*120mm

描述

風力小車原理:

两个物体之间力的作用总是相互的。这个物体对那个物体有力的作用时,那个物体也一定同时对这个物体有力的作用,这一对力互称为作用力与反作用力。作用力与反作用力总是大小相等、方向相反,作用在一条直线上。

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