1301 Gear 教學積木(旋轉木馬蹺蹺板道閘3合1積木套裝)

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顆粒數目:76PCS

材質:高光澤ABS環保塑料

可組成旋轉木馬/蹺蹺板/道閘

包裝尺寸:33*23.2*6.5cm

請注意:以上造型無法同時拼出

描述

旋轉木馬:了解齒輪,理解齒輪作為轉動裝置的功能與作用,利用齒輪來實現加速減速;理解轉動下的旋轉椅在轉動下產生的離心力

蹺蹺板:利用槓桿原理,用中軸固定中心點,實現兩端小人在重力加速度作用下導致一上一下循環擺動。

道閘:小齒輪帶動大齒輪的減速原理,實現車道閘緩緩升降的常見現象。

學習:

變速原理Speed variable principle

離心力Centrifugal force

冠齒輪的應用Application of the crown gear

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