Nkebi ahịrịokwu nke mbụ: Igwe na-ahụ maka magnet na-ekpebi ntụziaka nke ebe a na-agbanye, nke a na-emepụta iji chọpụta axis rotation. Nkebi ahịrịokwu nke abụọ: Igwe na-ahụ maka magnet na-ekpebi ntụziaka nke ebe a na-etinye aka, nke a na-emepụta iji chọpụta axis nke ntụgharị. Ajụjụ: Ọ̀ bụ otu ihe ka ahịrịokwu nke mbụ na nke abụọ pụtara? Ee ma ọ bụ Ee e?
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