Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: James Prescott Joule (; 24 Disamba 1818 <unk> 11 Oktoba 1889) wani masanin kimiyyar lissafi ne na Ingilishi, masanin lissafi kuma mai shayarwa, wanda aka haifa a Salford, Lancashire. Joule yayi nazarin yanayin zafi, kuma ya gano alaƙar sa da aikin injiniya (duba makamashi). Wannan ya haifar da dokar kiyaye makamashi, wanda hakan ya haifar da ci gaban dokar farko ta thermodynamics. An sanya sunan SI na tushen makamashi, joule, bayan shi.  Tambaya: Wace doka ce ta farko ta samo asali daga juyin halitta na dokar kiyaye makamashi?
dokar thermodynamics