So the goal here is to generate an asymmetrical force pair by changing the shape of the capacitor. The + electrode can be made a small sphere and the one can be a large plate. This way, the negatively charged mass is distributed to a larger area.
Example
If the structure weighs 10 Kg, required E is 948KV/m. To reduce E, b has to be increased. For b=10m radius circle, 2 Sb =314.16 m² and E=189KV/m.
If the structure is 3m in height, the potential difference between + and – electrodes must be 189KV/m * 3 = 567 KV.
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