Isidlakathi
utho olwenza izinguquko zenzeke / From Wikipedia, the free encyclopedia
Ngokomchazandalo, isidlakathi siyisakhi esingakanisekayo esidluliselwa endikimbeni noma ohlelweni oluphathekayo, esibonakala kahle ngokuqhogoya umsebenzi nangesimo somchadamezo nokukhanya. Isidlakathi siwumngakonani olondiwe - umthetho wokulondwa kwesidlakathi uthi isidlakathi singaguqulwa ngokwesimo, kodwa asinakudalwa noma sibhujiswe. Umuvo wokulinganisa isidlakathi ngokweInternational System of Units (SI) uyi- joule, (umjulu).
Izimo ezivamile zesidlakathi zihlanganisa impekumpeku yento ephekuzayo noma enyakazayo, isidlakathi esigcinwe entweni (ngenxa yokuba kwayo senkundleni), isidlakathi senjombuluka esigcinwe entweni enqumile, isidlakathi sesiqa esiyamaniswa nokusabela ngokwevanga, isidlakathi esiyonzayo esithwalwa imiyonzi yenzubawonga, kanye nesidlakathi esingaphakathi esiqukethwe ngaphakathi kohlelo lwezomchadamezo. Zonke iziphili zijwayele ukuthatha nokukhipha isidlakathi.
Ngenxa yokulingana kwesisindo–sidlakathi, noma iyiphi into enesisindo lapho imile (okubizwa isisindo esiphumule) inaso isilinganiso senani sesidlakathi esinesimo esibizwa isidlakathi esiphumuke, futhi noma isiphi isidlakathi esinye (sanoma iluphi uhlobo) esizuzwa isidlakathi esiphumule sizokhulisa isamba sesisindo njengalapho ikhulisa isamba sesidlakathi sayo.
Impucuzeko yabantu idinga isidlakathi ukuze isebenze, futhi siyasithola kwizinsizakusebenza ezifana nesivuthisi sentshicwa, noma esidlakathini esivuselelekayo. Isimo sezulu somhlaba nezinqubo zoxhaxhamvelo ziqhutshwa isidlakathi umzulane esikuwo esisamukela elangeni.