I think physics is absolutely complex and confusing. Physics also is difficult because physics has many rules and theories, extremely complex, such as Newton's law, Ohm’s law, conservation of energy law, and so on. Physics require other subjects to solve questions. Many students will have complex formulas so difficult to remember, one of them is me. In my opinion, physics has very complex for calculation, do you think like me? I am sure every student will confirm that the most difficult subject to understand is physics.