What are keys things to know about physics before majoring in it?

Monkey_Toes: What are keys things to know about physics before majoring in it?
I’m going to major in physics; however, i have never taken a physics course. What are some tips and key concepts/ideas that i should study to help me understand this subject better? Some books or articles would also be helpful!

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Answer by Abinesh m
this link have full information u need>> https://physics.about.com/od/physics101thebasics/u/basicconcepts.htm