Assalam u Alaikum!
dears energy kbe khatam nae hoti by law of coservation.
clock ko cel k through energy daity hain jis se clock ke soyyan move karti hain. and us me energy use hoti h. to kia use hony k bad energy khatam ho gae? by conservation law energy khatam nae hoti. then kaha gae energy? increase my knowledge. . . and plz urdu me ans dijeay ga.
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