Daim duab kaw vector yog dab tsi?
Daim duab kaw vector yog dab tsi?

Video: Daim duab kaw vector yog dab tsi?

Video: Daim duab kaw vector yog dab tsi?
Video: Wb daim duab kuv tseem khaws cia 7/25/2018 2024, Kaum ib hlis
Anonim

Kaw Vector Diagrams . A kaw vectordiagram yog ib txheej ntawm cov duab kos rau ntawm Cartesian siv tus Tsov tus tw-rau-lub taub hau txoj kev thiab uas muaj ib tug resultant nrog ib tug magnitude ntawm xoom. Qhov no txhais tau tias yog thawj vector pib ntawm qhov keeb kwm kawg vector kos yuav tsum xaus ntawm theorigin.

Hais txog qhov no, daim duab vector yog dab tsi?

Cov duab kos duab yog daim duab uas depictthe kev taw qhia thiab txheeb ze magnitude ntawm a vector ntau bya vector xub. Cov duab kos duab tuaj yeem siv los piav qhia qhov nrawm ntawm qhov khoom txav thaum nws txav. Piv txwv li, a daim duab vector tuaj yeem siv los sawv cev rau lub zog ntawm lub tsheb txav ntawm txoj kev.

Dab tsi yog qhov txiaj ntsig vector? Cov tshwm sim yog cov vector sum ntawm ob ormore cov duab . Nws yog qhov tshwm sim ntawm kev ntxiv ob lossis ntau dua cov duab ua ke. Yog kev hloov chaw cov duab A, B, thiab Care ntxiv ua ke, qhov tshwm sim yuav yog vector R. Raws li qhia hauv daim duab, vector R tuaj yeem txiav txim siab los ntawm kev siv cov duab kos, ntsuas, vector daim duab ntxiv.

Tib neeg kuj nug, dab tsi yog daim duab kos duab?

Vector Qhov ntau yog feem ntau sawv cev los ntawm scaled daim duab vector . Cov duab kos duab piav a vector los ntawm kev siv tus xub kos rau nplai nyob rau hauv cov kev taw qhia tshwj xeeb. Cov duab kos duab tau qhia thiab siv nyob rau hauv cov chav ua ntej los piav txog lub zog ua raws li qhov khoom. Xws li daim duab feem ntau hu ua dawb-lub cev daim duab.

Dab tsi yog qhov velocity vector?

A ceev vector sawv cev rau tus nqi hloov ntawm txoj hauj lwm ntawm ib yam khoom. Qhov loj ntawm a lub velocityvector muab qhov ceev ntawm ib yam khoom thaum lub vector kev taw qhia muab nws cov kev taw qhia.

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