Baloon uper q nae jata?

[Aqeel71]

Assalam u Alaikum!
hw r u al?
dears mry 2 swal hain wo gass waly baloon k about.
1- ye jo gass wala gubara(baloon) hota hai us me konsi gass bri(fill) ke jati hai?
2- jb ham gass waly baloon ko churty hain to wo uper ke taraf jana shuro kar daita hai. but aik point aysa ata hai k wo mazeid uper jany ke bjay left ya right ke taraf move karna shuro kar daita hai. ye kia waja hai k wo mazeid uper q nae jata. knsi cheiz usy rokti hai and wo left ya right q move karta hai?

[jugni]

Wa Alaikum Salam
We r all fine!
Ap k pochey gaye sawalon ka jawab hazir hay.
1- Gass waley gubarey mein (Hydrogen Gas) bhari jati hy.
2- Hydrogen Gass hawa sy halki hoti hy iss liye gubara uper jata hy aur aik khaas sata per jab wo ruk jata hy to wahan hawa aur gass ka wazan brabar ho jata hy. iss liye wo mazeed uper nahe jata.

[Aqeel71]

dear u mean nechy hawa ka w8(wazan) kam hota hai and jon jon ham uper jaty hain to hawa halke ho jati hai? and dear baloon me jb gas bari jay ge to us baloon ka b to wazan ho gana. agar nae to phr to baloon ko gass k bagair b hawa me urna chahye. and agar han to phr is gas me aysa kia hai jo is hawa se kam wazan ka kar daita hai. plz explain actualy me is sawal me is cheiz ka b ans laina chahta hn k carton me ham daikhty hain k ksi chracter e hawa bri jati to uska wazan hawa se kam ho jata tha. why? reason?

[sanataus]

as it needed to get filled with hellogen gas .. or hot air might do

[Aqeel71]

hehehe v.funny. jnb urdu me btaen. dnt mind. english me to buhat merial hai net pe. plz again show ur views but in urdu

[Aqeel71]

hlw. anybody home? tel me na. and ye b explain kar dain k kia jon jon uper jaen hawa ka wazan kam hota jata hai? reason kia hai?

[Aftab Ahmed]

good yar

[ediot]

ballon mein hydrogen gass hoti hai lekin bary ballons mein hot air ka istamal kiya jata hai gram hawa ki uper jati hai is liye hotair baloon araam say uper chala jata hai or koi khatra bhi nahi hota