حلول التدريبات العملية الديناميكا لجسمين

4.6. القوة العمودية

كلا الجسمين في حالة سكون، وفقًا للقانون الأول لنيوتن.

تعمل ثلاث قوى على الجسم 1: قوة الجاذبية W₁ ، والقوة العمودية N وقوة التوتر T₁. 

نرسم مخططًا للقوى المؤثرة على الجسم 1: 

نكتب معادلات الحركة للجسم 1:

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تؤثر قوتان على الجسم 2: قوة الجاذبية W₂ وقوة التوتر T₁.

نكتب معادلات الحركة للجسم 1:

نكتب معادلات الحركة للجسم 2:

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نقوم بجمع المعادلتين المشار لهما ونعبر عن N₁:

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