Ah, that test is like memorizing bus routes without knowing where the market is. You look for the "a = -ω²x" form, yes, but the heart of it is that the force always pulls you back to the center, like my mother's voice calling me for dinner no matter how far I ride my scoter. I passed exams with that formula, but I only felt it when I saw an oxygen mask swinging on its hinge in the ambulance, tired and regular as my own breath after a 14-hour shift.
#exams#study
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