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الحركة الموجية

الموجة هى اضطراب لحظى متنقل ينقل الطاقة فى اتجاه انتشارها
الحركة الاهتزازية هى الحركة التى يحدثها الجسم حول موضع سكونه الاصلى فى اتجاهين متضادين و فى فترات زمنية متساوية
الازاحة بعد الجسم المهتز فى اى لحظة عن موضع سكونه الاصلى
سعة الاهتزازة اقصى ازاحة للجسم
سعة الاهتزازة المسافة بين نقطتين متتاليتين فى مسار حركة الجسم المهتز تكون سرعته فى احداها اقصاها و فى الاخرى منعدمة = ربع اهتزازة كاملة
الحركة التوافقية البسيطة هى الحركة الاهتزازية فى ابسط صورها و هى حركة اهتزازية فى خطوط مستقيمة
الاهتزازة الكاملة هى الحركة التى يحدثها الجسم المهتز فى الفترة الزمنية التى تمضى بين مروره بنقطة ما فى مسار حركتة مرتين متتاليتين فى نفس الاتجاه
الزمن الدورى هو الزمن الذى يستغرقه الجسم المهتز لعمل اهتزازة كاملة
الزمن الدورى هو الزمن الذى يستغرقه الجسم ليمر بنقطة واحدة فى مسار حركته مرتين متتاليتين فى نفس الاتجاه
التردد هو عدد الاهتزازات الكاملة التى يحدثها الجسم فى الثانية الواحدة
Created by: wanna_study
Popular Physics sets




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