SamuwarKimiyya

A karfi na nauyi: jigon da m darajar

Babu shakka duk kayan jiki, kamar yadda ake kai tsaye a kan Duniya da kuma a cikin sararin samaniya, kullum janyo hankalin juna. A gaskiya wannan hulda za a iya gani ko ji ba faufau ko da yaushe, kawai ya ce janye ne a cikin wadannan na musamman lokuta, gwada da rauni.

The hulda tsakanin kayan jikinsu, wanda yake shi ne m nema wa juna, bisa ga asali jiki sharuddan da aka kira nauyi, yayin da sabon abu na nauyi - nauyi.

The sabon abu na gravitation ne zai yiwu, saboda a kusa da cikakken wani abu abu (ciki har da wadanda a kusa da mutum) akwai wani gravitational filin. Wannan filin ne na musamman irin al'amari, da mataki na wanda ba abin da zai tsare kuma ya via wanda jiki aikata a kan juna, haddasa hanzari da tsakiyar filin Madogararsa. Wannan gravitational filin ya tushen tsara a 1682 ta Birtaniya halittu da kuma Falsafa I. Newton ta dokar duniya gravitation.

Ainihin manufar wannan dokar ne karfi na nauyi, wanda, kamar yadda aka gani a sama, babu wani abu kuma, a sakamakon tasirin da gravitational filin a wani lokaci ko wata abu jiki. A dokar nauyi ta'allaka ne da cewa karfi da abin da juna janye gawarwaki a duniya da kuma a cikin m sarari, ya dogara da samfurin na talakawa da wadannan jiki, kuma aka inversely alaka da nesa raba da bayanan abubuwa.

Saboda haka, karfi na nauyi, da definition abin da aka bai da Newton, ya dogara biyu main dalilai - da taro na hulda da jikin da nisa therebetween.

Tabbacin cewa wannan sabon abu dogara a kan taro na abu za a iya samu ta hanyar nazarin hulda na Duniya da ta kewaye jikinsu. Ba da da ewa bayan Newton ta sauran sanannun masanin kimiyya - Galileo - ya rinjawarwa nuna cewa free fall na duniya tamu buga duk jikin su ne cikakken guda hanzari. Zai yiwu shi ne kawai a yayin da cewa da karfi na nauyi na jiki zuwa Earth dogara da nauyi na jiki. Saboda, da gaske, a wannan yanayin da karuwa a cikin taro na 'yan sau daidai wannan factor zai kara da tilasta mataki na nauyi, hanzari ne a lokaci guda kasance canzawa.

Idan ka ci gaba da tare da wannan ra'ayin da la'akari da hulda tsakanin wani biyu jikuna a farfajiya na "blue duniya", shi za a iya ƙarasa da cewa ga kowane daga cikinsu a kan wani ɓangare na mu "Uwar Duniya" yana daya da daya da karfi. A lokaci guda, da dogaro a kan sanannun doka, tsara a cikin wannan Newton, za mu iya amincewa ce da girma da wannan karfi zai dogara ne a kan jiki nauyi, don haka da gravitational karfi tsakanin waɗannan jikuna ne a kai tsaye gwargwado ga samfurin na talakawa.

Don tabbatar da cewa da karfi na nauyi dogara a kan girma da rata tsakanin gawarwakin, Newton ya kawo a cikin wani "ally" watã. An dade an tabbatar da cewa cikin hanzari tare da wanda jiki da dama a kasa ne kamar daidai 9.8 m / s ^ 2, amma centripetal hanzari na da watã a dangane da duniyar tamu a sakamakon jerin gwaje-gwajen da aka samu ya zama kawai 0,0027 m / s ^ 2.

Saboda haka, karfi na nauyi - shi ne mafi muhimmanci jiki yawa, wanda ya bayyana da yawa daga cikin matakai da ke faruwa biyu a wannan duniyar tamu da kuma a cikin sarari.

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