How to Estimate Pull Force of Magnet

如何估算磁鐵的拉力
視頻顯示瞭如何估算磁體和鋼板之間的磁力。
The video shows how to estimate the magnetic force between magnet and steel sheet.

[@hunterpruett5640]

Could you tell me how you got your ArnoldMagnetics library? Would be very helpful for me.

[@Kim_Ali110]

Would you please to inform me if you get any clue.