In a cunning economy, Mr Sauter USES the battery pack itself as the Bob of the pendulum.
出于经济眼光，索特使用电池组本身充当钟摆的浮子。
If I double the mass of my Bob at the end of a pendulum, then the vertical component of the tension will also double.
如果把钟摆末端，物体重量加倍，那么张力的垂直分力，也会加倍。
The utility model USES the electromagnet to control and move the axial position of the pendulum Bob for automatically controlling the separation and the combination of the clutch.
本实用新型利用电磁铁控制移动摆锤的轴向位置来自动控制离合器的离与合。
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