حل التدريبات العملية: الحركة التوافقية البسيطة في نابض أفقي وبندول بسيط

نحسب تسارع الجسم في اللحظة t=2.8s باستخدام دالة التسارع بدلالة الزمن المناسبة للحركة التوافقية البسيطة.

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قيمة التسارع سالبة، وبالنسبة للمحور المُعطى، يكون اتجاه التسارع نحو اليسار.