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A ƙarfi daga cikin centrifugal: abin da yake da shi da kuma yadda yake aiki?

Kamar yadda aka sani, wani halayyar jiki na zahiri kula da jihar sauran ko uniform rectilinear motsi , muddin dai ba za a yi wani tasiri daga waje. A ƙarfi daga cikin centrifugal - wannan bai zama ba fãce wani buɗi na duniya dokar inertia. A rayuwarmu, aka same shi haka sau da yawa cewa mu kusan ba su lura da shi da kuma amsa kiran da shi a kan wani tunaninsu da lamirinsu matakin.

ra'ayi

A ƙarfi daga cikin centrifugal - shi ne mai irin tasiri da cewa jiki aya a kan ƙarfin da ƙuƙumi da 'yancin walwala, da kuma sa ka matsar curvilinearly zumunta dauri jikin ta. Saboda kawar da vector na jiki canjãwa ci gaba, ko a cikin yanayin inda ta cikakkar gudun zauna canzawa, cikin hanzari darajar ba daidai yake da sifili. Saboda haka, saboda Newton ta biyu dokar, wanda ya tsayar da dogaro da karfi a kan taro kuma hanzari na jiki, kuma akwai wata centrifugal karfi. Yanzu, ka tuna da uku mulki daga cikin shahararrun Birtaniya likita. A cewar shi a cikin yanayin karfi zama a nau'i-nau'i, sabili da haka, da centrifugal karfi dole ne a adalci da wani abu. A gaskiya ma, akwai dole ne wani abu dake rike da jiki a kan ta lankwasa hanya! Shi ne, a jummai da centrifugal kadi a kan abu a matsayin centripetal karfi ayyukan. Bambanci tsakanin su ne da cewa tsohon ne a haɗe zuwa ga jiki, da kuma na biyu - zuwa ga dangane da batu a kusa da juyawa ya auku.

Ina bayyananne centrifugal karfi

Ya kamata mirgine fitar da wani kananan hannu nauyi da ke a haɗe zuwa igiya da zarar ya fara jin da tashin hankali na kirtani. Idan akwai wani na roba sojojin, rinjayar centrifugal karfi zai kai ga a katsewa na igiya. Duk lokacin da muka matsa a wani madauwari hanya (keke, mota, tram, da dai sauransu), muka guga man a gaban shugabanci daga juyawa shugabanci. Saboda haka, high-gudun waƙoƙi a yankunan da m masu lankwasa hanya yana na musamman mai karkata zuwa ga goya mafi kwanciyar hankali da gasar racers. La'akari da wani ban sha'awa misali. Saboda wannan duniya tamu rotates a kan ta axis, da centrifugal karfi abubuwa a kan wani abu, wanda aka located a kan bãyan tẽkun. Saboda haka, duk abubuwa zama kadan sauki. Idan ka dauki wani nauyi na 1Sar da kuma motsa shi daga iyakacin duniya zuwa ekweita, da nauyi ne rage by 5 grams. Tare da irin wannan zaran sharuddan, wannan shã'aninku alama m. Duk da haka, tare da kara nauyi wannan bambanci qara. Alal misali, tururi locomotive zo a cikin Odessa daga Arkhangelsk, zai zama da sauki a kan 60 kg, kuma da jirgin ruwa na soja yin la'akari 20,000 ton, sanya hanya daga White Sea ga Black Sea, zai kasance da sauki ta kamar yadda 80 ton! Me ya sa wannan magana? Saboda centrifugal karfi samar da juyawa daga wannan duniya tamu, o ƙarin watsar daga surface na duniya, da dukan abin da shi ne. Abin da kayyade darajar da centrifugal karfi? Sa'an nan, a lõkacin da na biyu mulkin Newton. A farko siga cewa musababin girma da centrifugal karfi, ba shakka, shi ne taro na wani juyawa jiki. A na biyu siga - cikin hanzari, wanda a curvilinear motsi dogara a kan rotational gudu da radius daga cikin bayyana jiki. Wannan dangantaka za a iya nuna a cikin wani nau'i na dabara: a = v 2 / R. An samu: F = m * v 2 / R. Masana kimiyya sun lasafta cewa idan mu Earth rotates sau daya a kowace 17 sauri sa'an nan a ekweita zai zama weightless, kamar yadda idan wani cikakken juyin juya halin da aka kammala a kawai sa'a daya, da nauyi asara zai iya ji ba kawai a kan ekweita, amma a duk tekuna da kasashe, waxanda suke dab da shi.

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