sentence2_structure: Dynamics<>is<>the study of how forces affect the motion of objects$$$forces<>affect<>the motion of objects
sentence1: vibrational motion, conservative forces, inertial and non-inertial frames, central-force motions, rigid bodies, and rotational dynamics are studied.
sentence2: Dynamics is the study of how forces affect the motion of objects.
question: What is the study of how forces affect the motion of objects?