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وصف الفيديو: هل ستزيد قوة مغناطيسين ملتصقين ببعضهما من قوتهما الكلية؟ Will the power of two magnets stuck together increase the overall force? رابط الفديو باللغة الانجليزية: http://www.youtube.com/watch?v=A_ToB9T-de8