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实验装置如图1所示。图中1.浮子;2.杠杆(用8号铁丝制做);3.杠杆托架;4.酒精灯; 5.显示板(由刻度盘,指针和放大微小变化的杠杆系统组成);6.重码桶;7.底板。浮子的制法:在金属易拉桶(空桶)上部用橡胶
The experimental setup is shown in Figure 1. Figure 1. Float; 2. Lever (made of 8 wire); 3. Lever bracket; 4. Alcohol lamp; 5. Display panel (by the dial, the pointer and the amplification of small changes in the lever system); 6 Weight barrels; 7 floor. Float system of law: the metal easy to pull barrels (empty barrels) with the top of the rubber