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230问答网 > 怎样区分杠杆的类别？

怎样区分杠杆的类别？

2025-04-01 21:26:53

推荐回答（4个）

回答1：

最简单：观测动力臂与阻力臂的大小
动力臂大于阻力臂就是省力杠杆反之则为费力杠杆两力臂相等则为等臂杠杆

回答2：

动力臂大于阻力臂就是省力杠杆反之则为费力杠杆两力臂相等则为等臂杠杆你提的这些都是费力杠杆吧

回答3：

关键点就是要找到杠杆上的三个重要的位置：支点、用力点和阻力点

回答4：

动力臂大于阻力臂就是省力杠杆 ,动力臂小于阻力臂就是费力杠杆，动力臂等于阻力臂就是等臂杠杆

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