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。
2
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。
3
The utility model USES the electromagnet to control and move the axial position of the pendulumBob for automatically controlling the separation and the combination of the clutch.