InotungamirwaSainzi

Simba regiravhiti: musimboti uye zvinoshanda

Zvachose vose zvinhu muviri, sezvo ari zvakananga panyika uye zvose, nguva vakwezvane. Chokwadi kuti kudyidzana ichi chinogona kuonekwa kana akanzwa hauzosvimhi nguva dzose, achitongotaurazve kuti kukwezvana zviri izvi zvimwe zviitiko, nekaupenyu simba.

The kudyidzana pakati zvinhu miviri, inova yavo kugara rekuvandudza mumwe, maererano dzinokosha mumuviri mashoko anonzi giravhiti, ukuwo Chiitiko regiravhiti - regiravhiti.

Chiitiko rinokwevera zvinhu pasi rinoita zvinobvira nokuti kumativi zvachose chero zvinhu chinhu (kusanganisira avo vakapoteredza munhu) pane rinokweva munda. munda Iyi nyaya chinokosha, kuitwa izvo hapana anogona kudzivirira uye inotumirwa izvo muviri anoita mumwe, kukonzera kumhanyisa pakati nepakati munda kunobva. Ndizvo rinokweva munda waiva hwaro akagadzira muna 1682 maererano British zvakasikwa uye muzivi I. mutemo Newton kwakaita wesimba rinokwevera zvinhu pasi.

The pfungwa mutemo uyu ndiwo simba regiravhiti, izvo, sezvataurwa pamusoro apa, hapana chimwezve, somugumisiro matambudziko ari rinokweva remunda imwe nguva kana mumwe muviri zvokunyama. Murairo giravhiti iri ndechokuti simba nako kukwezvana yemiviri Panyika uye muchadenga, kunoenderana zvibereko negurumwandira mitumbi izvi, uye ari inversely chokuita daro mekuparadzanisa date zvinhu.

Saka, simba regiravhiti, tsanangudzo dzakapiwa nokuda Newton, zvinoenderana Pane zvinhu zviviri - mukanyiwa of kuwirirana miviri uye marefu therebetween.

Uchapupu hunoratidza kuti Fani iyi kunoenderana vazhinji nefuma anogona kuwanika nokuongorora kukurukurirana enyika yakapoteredza miviri yayo. Nokukurumidza pashure vamwe inozivikanwa musayendisiti Newton raMwari - Galileo - yave zvinogutsa dzakaratidza kuti vakasununguka kuwa yedu anogadza miviri zvose zvachose zvakafanana kumhanyisa. Zvimwe chete chiitiko kuti simba regiravhiti muviri paNyika zvinobva kurema muviri. Nokuti, chokwadi, kana ichi pamwe nokuwedzera vazhinji mashoma anawo chinhu kuchawedzera uye kumanikidza chiito regiravhiti nguva, kumhanyisa iri panguva iyoyo kuramba kuchinja.

Kana tikaramba pfungwa iyi uye funga chero kudyidzana pakati mitumbi maviri pamusoro pemvura "mutema nyika", zvinganzi akagumisa kuti mumwe nomumwe wavo pazuva chikamu chedu "Mother Earth" ane mumwe chete simba. Panguva iyoyowo, kuvimba rinozivikanwa mutemo, akagadzira mukati chete Newton, tinogona kutaura nechivimbo kuti kwakakura simba ichi achavaponesa muviri uremu, saka simba rinokweva pakati mitumbi izvi zviri maererano kungoerekana zvavo dzavo.

Kuti aratidze kuti simba regiravhiti kunoenderana kwakakura musiyano uri pakati pezvitunha, Newton aifanira kuunza imwe "shamwari" mwedzi. It yagara dzakatangwa kuti kumhanyisa nako muviri inowira pasi ndiyo inenge kuenzana 9.8 m / S ^ 2, asi centripetal kumhanyisa mwedzi pachinhu nyika pamusana munhevedzano kuedza akawanikwa 0,0027 chete m / S ^ 2.

Saka, simba regiravhiti - inonyanya kukosha chaiko uwandu, rinotsanangura vazhinji kwemasayendisiti kuitika zvose pasi pano uye dzakapoteredza nzvimbo.

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