Dab tsi yog System of Units hauv physics?

2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36

A system ntawm units yog ib txheej uas muaj feem xyuam units uas yog siv rau kev xam. Piv txwv li, hauv MKS qhov system , hauv paus units yog cov ' meter ', kilogram, thiab thib ob, uas sawv cev rau qhov ntev ntawm qhov ntev, qhov hnyav, thiab lub sijhawm, raws li. Hauv no qhov system , cov chav tsev Qhov ceev yog qhov 'meter' ib ob.

Ib yam li ntawd, tib neeg nug, unit system yog dab tsi?

Cov system unit , tseem hu ua "ntaus" lossis "chassis," yog qhov tseem ceeb ntawm lub khoos phis tawj desktop. Nws suav nrog motherboard, CPU, RAM, thiab lwm yam khoom. Lub sij hawm " system unit " feem ntau yog siv los sib txawv ntawm lub computer thiab cov khoom siv peripheral, xws li cov saib, keyboard, thiab nas.

Tsis tas li ntawd, ob lub tshuab ntawm cov units yog dab tsi? Cov txheej txheem Kev ntsuas: muaj ob lub ntsiab tshuab Kev ntsuas hauv ntiaj teb: Metric (lossis lej) system thiab US tus qauv system. Hauv txhua qhov system, muaj qhov sib txawv units rau ntsuas tej yam xws li ntim thiab loj.

Kuj kom paub, dab tsi units yog siv nyob rau hauv physics?

Plaub qhov tseem ceeb uas peb yuav siv hauv cov ntawv no yog qhov ntsuas (qhov ntev), qhov kilogram (rau huab hwm coj), qhov thib ob (rau lub sijhawm), thiab ampere (rau hluav taws xob tam sim no). Cov koog no yog ib feem ntawm qhov kev ntsuas ntsuas, uas siv lub zog ntawm 10 los txheeb xyuas qhov ntau ntawm ntau qhov kev sib ntsib hauv qhov xwm txheej.

SI unit txhais li cas?

Cov International System of Units (Sab luv SI los ntawm systeme internationale, Fabkis lub npe ntawm lub npe) yog ib txoj kev tshawb fawb ntawm kev nthuav qhia qhov loj lossis ntau ntawm cov xwm txheej tseem ceeb. Muaj xya lub hauv paus chav nyob hauv qhov system, los ntawm lwm cov units tau muab los.