Misbah on Nearpeer MDCAT Common Room
Guys ap iss statement ko parho Mera hisab sa external work Kiya giya ha aur work done negative hona chahiya aur answer is 180
Laraib Fatima · 2026-06-05T14:22:11.400Z
In physics when a system does work ,it is positive work. When work is done on the system,it is negative.
Misbah · 2026-06-06T12:14:50.674Z
External work Howa ha mean work is done on a system then it is negative I think
Mahnoor zaheer · 2026-06-05T14:29:39.783Z
system is doing 100 joule of external work on surroundings that is why it will be positive ...
Focus Bro · 2026-06-05T16:27:41.391Z
No it's correct answer is -20 j




Fatima Munir · 2026-06-05T14:13:06.742Z
Yes Mai bhi is ma confuse thi Kai iska answer 180 hoga kiounke external work hua hai
Misbah · 2026-06-05T14:19:44.545Z
Mai bi yahi kah rahi hu ka answer 180 hona chahiya