why nie je Q na t(2:h)e ot(2:h)jej strane, ak sa posunieme nadol (Sout(2:h)) z w(2:h) je dh/dx 0 tha tiež h which zníženie right? Mám na mysli dh/dy < 0 pre both body right? why len pre the horné?####[['Q', 'Mathematical_Related_Concept', 'NEU'], ['h', 'Mathematical_Related_Concept', 'NEU'], ['dh/dy < 0', 'Mathematical_Related_Concept', 'NEU'], ['dh/dx', 'Mathematical_Related_Concept', 'NEU']]