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杠杆平衡是要满足什么条件?如何通过实验探究出杠杆平衡条件

杠杆平衡要满足 N1*L1=N2*L2 N是重力 L是距离, 从支点开始算, 你可以找一个尺子 把 然后放在手指上 找到平衡点就知道了

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Article Title.杠杆平衡是要满足什么条件?如何通过实验探究出杠杆平衡条件The
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