حلول التدريبات العملية ديناميكا لجسم واحد

لإيجاد زاوية ميل السطح بحيث يكون الجسم متحركًا بسرعة ثابتة، نستخدم التعبير عن تسارع جسم يتحرك لأسفل على سطح مائل غير أملس.

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عندما يكون الجسم متحركًا بسرعة ثابتة، فإن تسارعه يساوي صفرًا. نجد زاوية ميل السطح في هذه الحالة: 

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