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There’s plenty of gray area in everything related to college. 90% of it is effort, 10% of it is a foundation of knowledge. Assuming someone doesn’t have something out of their control that impedes them (a learning disorder), anyone can get through physics with effort and a solid mathematical background. Some people will find it easier, just like some people will find mechanical engineering easier, but not every student who graduates with a GPA over 3 in physics is some prodigy.</p>