UkubunjwaImfundo Secondary nezikolo

Yintoni na ke ukusoloko omxhuzulane, njengoko ebalwa yaye eli xabiso lisetyenziswa apho

Njengenye ubuninzi engundoqo physics, njalo omxhuzulane saqala okhankanywe ngenkulungwane ye-18. Ngelo xesha thina sasiwa kokuba amalinge okuqala umlinganiselo ixabiso layo, kodwa ngenxa ukungafezeki isixhobo kunye nokunqongophala kolwazi kweli candelo, ukuba oko kunokwenzeka kuphela kwinkulungwane yama-19. Kamva le ziphumo ayilungiswanga ngokuphindaphindiweyo (okokugqibela oku kwenziwa ngo-2013). Nakuba kunjalo, kufanele kuqatshelwe ukuba umahluko inqununu phakathi (G = 6,67428 (67) · 10 -11 s -2 · m³ · kg -1 okanye H · m² · -2 kg) owokuqala nowokugqibela (G = 6,67384 ( 80) · 10 -11 s -2 · m³ · kg -1 okanye H · m² · kg -2) amaxabiso ayikho.

Ukusebenzisa le into ngeenjongo ezithile, ukuze kuqondakale ukuba loo rhoqo ngokwemiqathango jikelele kwihlabathi (ukuba ukuba wenze ubhukisho physics yamasuntswana cebetshu na inzululwazi eyaziwa encinane). Oku kuthetha ukuba rhoqo omxhuzulane komhlaba, iNyanga okanye Mars, akayi kwahluka enye kwenye.

Olu ixabiso rhoqo ezisisiseko ubucukubhede yamandulo. Ngoko ke, njalo omxhuzulane obandakanyeka ezahlukeneyo izibalo. Ingakumbi, ngaphandle kokuba inkcazelo malunga ngaphezulu okanye ngaphantsi kwexabiso ngqo kule parameter, abaphandi ayikwazanga ukubala inkalo ebalulekileyo kushishino sithuba, kukukhawuleziswa sokuwa mahala (eya kuba zazo iplanethi nganye okanye elinye iqumrhu yasezulwini).

Ukanti Newton, avakalisa yi umthetho womxhuzulane ngendlela ngokubanzi, njalo omxhuzulane wayesaziwa kuphela imfundiso. Oko kukuthi, ukuba unako ukuqulunqa enye postulates ezibaluleke kakhulu emzimbeni, ngaphandle kokuba inkcazelo malunga yemali leyo, enyanisweni, isekelwe.

Ngokungafaniyo nezinye constants ezisisiseko, malunga ihlupha omxhuzulane, physics singatsho kuphela ezithile izabelo ngokuchanekileyo. ixabiso layo ifunyenwe kwakhona ngamathuba athile, kwaye ixesha ngalinye lahlukile kowangaphambili. izazinzulu abaninzi bakholelwa ukuba le nyaniso sinxulumana itshintsha, kodwa isizathu engenamsebenzi ngakumbi. Okokuqala, lo ulinganiso (ukuze kubalwe le rhoqo nto imifuniselo eyahlukeneyo wenziwe), yaye okwesibini, izixhobo ngqo, ngokuthe ngcembe kunyusa, iinkcukacha kokuba elikhankanyiweyo, yaye isiphumo esitsha ifunyenwe.

Ngenxa yokuba rhoqo omxhuzulane lixabiso walinganisa degrees-10 ukuya -11 (ukuba ubuchwephetshe yamandulo ixabiso ultrasmall), akumangalisi rhoqo ukulungiswa ingumlingani. Okukhona oko kuxhomekeke ekubeni isimboli ulungiso kuqalwa iindawo 14 wokugqibela.

Noko ke, kukho yomtshangatshangiso physics mihla enye imfundiso, awawabeka phambili Fred Hoyle noYohane. Narlikar kwi-imi- 70 kwinkulungwane yokugqibela. Ngokutsho assumptions zabo, njalo omxhuzulane unciphisa kwexesha, nto leyo echaphazela nezinye iimpawu ezininzi ezijongwa constants. Ngoko ke, lo ngeenkwenkwezi American van Flandern yabalasela lo mkhuba a ukukhawulezisa kancinane of the Moon kunye nezinye imizimba yasezulwini. Nikhokelwa ngulo mbono, kufuneka kuthathwe ukuba naziphi na iimpazamo ehlabathini izibalo ngaphambili akuzange, kwaye umahluko kwiziphumo kungenxa utshintsho rhoqo kwi ixabiso ngokwayo. Le ngcamango efanayo ithi malunga impermanence ngayo ezinye izinto ezifana kwisantya ukukhanya cleaner.

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