medium balance bird factory direct sales mixed color wholesale foreign trade boutique

480 pcs

Please select a product

	Number		Unit-price		Total
I want to buy：		×	2.2	=	0

The purchase quantity of each ID cannot exceed()pcs

Insufficient inventory, please contact the seller

The total number of orders is less than the minimum purchase quantity(480)

A new item has been added to your Shopping Cart. You now have items in your Shopping Cart.

Continue Shopping View Shopping Cart

Contacts:Wang BinqiChat

Mobile:86-13957990011

Click to Contact Yiwugo official customer service for International sourcing.

Yiwugo official customer service X

Whatsapp:

二、原理 平衡鸟之所以会平衡,仅仅因为整只鸟实际的重心在嘴尖这点的下方。虽然看起来鸟全身在空中，但是实际鸟的翅膀重量很轻，全身的重心还是在手指上。

如图，手指的支点是B点，鸟的重心在A点，就像一个篮子挂在手指上一样，鸟能够稳稳的被托住。

三、制作方法

简易平衡鸟：拿一支细铁丝（约20cm）弯成左图一样，左右一拿一支细铁丝（约20cm）弯成左图一样，左右一样长，两侧下方加上粘土（重量要相近），将中央支点放在手指上。就完成了。

特性：重心集中、降低，支点上升。结构很轻、左右重量相近。

Update time：20210119140001