Syeda Fizza Fatima zaidi on Nearpeer MDCAT Common Room
Assalamualaikum I am from Sindh board and Jo thermodynamics ka first lecture hoa tha us may sir nay bola tha Kay work done on system is negative jubkay Sindh ki book and baqi Saab jagha positive likha hay.... Can anyone please let me know why?
Sahib Sahib · 2026-05-23T11:08:36.353Z
Jub by the system ho ga tub sign positive ho gii sister
Syeda Fizza Fatima zaidi · 2026-05-23T12:30:29.002Z
Okay but I don't think so cuz I can't find any statement like this in the book
Syeda Fizza Fatima zaidi · 2026-05-23T12:31:50.252Z
If it's like this,can you please tell me the line number from page 23 chapter 16
Syeda Fizza Fatima zaidi · 2026-05-23T12:32:28.004Z
@sahib sahib.....
Sahib Sahib · 2026-05-23T11:07:57.808Z
Nope according to Sindh text book when work done on the system the sign will be negative