KumiswaIsayensi

Amandla Kinetic: umqondo

I energy kinetic - kuyinto, by ncazelo, inani elilingana no-isigamu mass umzimba ezihambayo, iphindwe kabili Isivinini zomzimba. Lena - omunye imigomo ebaluleke kakhulu Mechanics yesimanje. Kafushane nje, yingoba iyona energy motion, noma umehluko phakathi amandla inani amandla ukuphumula. Nokho okushiwo ke akubhekwa e isayensi yanamuhla ngokugcwele.

I energy kinetic (kusuka gr Kinema -. Movement) zomzimba esimweni baxhashazwe zero. Ngokuvamile, leli nani akusho kuphela ezihlobene mass nesivinini. Ngakho, ngokwale ndlela eyodwa definition, energy kinetic - kuba yomsebenzi owenziwa isivinini ethile. It is kulinganiswa ngo Joules.

I energy kinetic kohlelo - inani, okuyinto kuhlobene kakhulu ngesilinganiso ngasinye amaphuzu ayo.

Kuthathwa kule nhlangano phambili, futhi ukujikeleza. Icala lokuqala isivele wachaza ngokuningiliziwe ngenhla, - isigamu nenqwaba into iphindwe Isivinini yayo yisikwele. Umzimba ujikeleza energy kinetic umelwe isamba amandla kinetic ngayinye amavolumu zokucathula umzimba. Noma njengoba ukubaluleka mzuzu inertia iphindwe kabili Isivinini emincane ehlukaniswa ezimbili.

Lokucabanga kukhona okuqinile ukuthi siyahamba emhlabeni eksisi umile Ukudlula therethrough. Lokhu into zingahlukaniswa zibe izakhi nomqulu omncane, ngamunye ephethe siqu isisindo salo zokucathula. Bezungeza-eksisi fixed motion kwenza umzimba enixoxa ngalo. Kulokhu-ke ngamunye amavolumu aphansi uchaza umbuthano elihambisana engaba. Same isivinini emincane ujikeleza. Futhi ngakho energy kinetic zomzimba - yinani lika amandla kinetic yazo zonke aphansi yayo, ezihambayo emhlabeni ahlangene ivolumu. Inguqulo lula we formula - isigamu umkhiqizo isikwele we velocity emincane kanye mzuzu inertia.

Kwezinye izimo, le energy kinetic - inani kanye namandla Translational futhi ukujikeleza. Ngokwesibonelo, beya phansi ngaphandle beya kanye abathambekele isilinda umugqa. Uma sihlabela phambili, ke yenza ukuphokophela phambili, kodwa ngesikhathi esifanayo naye ihamba axis awo.

Enye yezingxenye energy kinetic ujikeleza - lena mzuzu inertia, okuyinto ngenhla futhi saxoxa. It kuncike Imininingwane umzimba mass, kanye nokusabalalisa bayo uma buqhathaniswa eksisi ujikeleza. Kuyini lokhu? Kuyinto elithile inertia mayelana eksisi motion kanye kule entuthukweni yisikali sokuthi lo inertia uyaca. Lena ukubaluleka kubaluleke kakhulu. I mzuzu inertia, lo nzima ukuletha umzimba esimweni ukujikeleza. Isivinini Angular uchaza nesivinini esishukumisela okuqinile emhlabeni axis awo. Lesi simiso rad / s. I velocity emincane kuyinto isilinganiso engela Ukujikeleza ukuze ubude besikhathi okuyiwona le engela sihamba into ligijima.

Theorem of energy kinetic kukwazi ukwakhiwa kanje: ezisebenzi nomphumela ozofakwa umzimba ethile, okulingana ushintsho energy kinetic zomzimba.

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