Kev Kawm Ntawv thiab Kev Sib Txuas Lus 2024, Kaum ib hlis

Puas tau xav tsis thoob vim li cas cov kws dhia paj paws thiaj li mus txog qhov nrawm thaum lawv poob, thaum lub zog nqus hauv lub tshuab nqus tsev yuav ua rau cov khoom ua kom nrawm ib yam? Ib yam khoom poob yuav mus txog qhov nrawm nrawm thaum muaj kev rub lub zog, xws li rub huab cua.

Atoms tuaj yeem nce lossis poob lub zog thaum lub tshuab hluav taws xob txav los ntawm qhov siab dua mus rau qis qis ib ncig ntawm cov keeb. Txawm li cas los xij, kev faib cov nucleus ntawm atom yuav tso ntau lub zog ntau dua li lub zog thaum cov hluav taws xob rov qab mus rau qis qis los ntawm qhov chaw siab dua.

Kev hloov kho lub zog tso cai rau koj los xam lub zog, tiag tiag, lub zog rov ua haujlwm thiab lub kaum ntse ntse. Koj yuav siv qhov sib npaug ntawm daim duab peb sab xis. Yog li, txhawm rau xam lub kaum sab xis koj yuav tsum nkag siab cov cai ntawm cosine, sine thiab tangent.

Lub tawb Faraday (lossis Faraday daim ntaub thaiv), muaj npe tom qab Michael Faraday, yog lub cuab yeej siv los ua daim thaiv tiv thaiv hluav taws xob hluav taws xob. Cov tawb Faraday tuaj yeem ua los ntawm kev koom ua ke nrog cov npog uas muaj cov neeg ua haujlwm, lossis cov ntxaij ntawm cov khoom zoo sib xws.

Puas tau saib dhau los ntawm kaleidoscope? Zoo nkauj huh? Lub hnub ci ci ci rau ntawm cov hlaws muaj xim zoo nkauj thiab iav thiab cuam tshuam hauv daim iav tsim cov qauv zoo nkauj uas koj tuaj yeem pom los ntawm sab hauv. Yog tias koj xav ua koj tus kheej kaleidoscope, muaj ntau txoj hauv kev xaiv - ib qho yooj yim, ib qho uas xav tau kev txawj me ntsis ntxiv - teev hauv qab no.

Cov cua daj cua dub tuaj yeem ua rau cov cua sov poob thaum huab cua txias. Cua txias sim ua kom tau cov txiaj ntsig no raws li cuam tshuam los ntawm cua ntawm tib neeg daim tawv nqaij. Txhawm rau suav qhov cua txias hauv koj lub tsev, txhua yam koj xav tau yog ntsuas cua thiab cua nrawm.

Cov kab lus "lub cav ua pa" feem ntau nco txog lub tshuab ua pa ntawm Stanley Steamer lub tsheb npav lossis tsheb, tab sis cov tshuab no muaj ntau yam siv ntau dua li kev thauj mus los. Lub tshuab ua pa, uas tau tsim thawj zaug hauv nws daim ntawv yooj yim tshaj plaws ob txhiab xyoo dhau los, tau dhau los ua lub hauv paus tseem ceeb ntawm peb lub xyoo dhau los, nrog cov cav cua tshuab tam sim no ua tau 80% ntawm lub ntiaj teb cov hluav taws xob hluav taws xob lossis n

Qhov nruab nrab ntawm lub ntiajteb txawj nqus (CG) yog qhov nruab nrab ntawm qhov hnyav faib ntawm ib yam khoom thaum qhov chaw ntawm lub ntiajteb txawj nqus tuaj yeem suav tias yog lub zog. Qhov no yog lub ntsiab lus uas cov khoom nyob hauv qhov zoo sib xws, tsis hais yuav ua li cas cov khoom tau tig los yog ntxeev ntawm lub ntsiab lus ntawd.

Uranium tau siv los ua lub zog siv hluav taws xob hauv cov reactors nuclear thiab tau siv los ua thawj lub foob pob tawg, uas tau poob rau Hiroshima xyoo 1945. Uranium yog siv los ua cov tshuaj ore hu ua pitchblende, thiab muaj ntau yam isotopes ntawm qhov hnyav thiab ntau qib sib txawv ntawm radioactivity.

Feem ntau teeb meem algebra txog kev nrawm nug koj kom pom qhov nrawm lossis qhov nruab nrab nrawm. Txawm hais tias cov lus tau siv sib pauv, qhov sib txawv yog qhov nrawm feem ntau coj mus rau hauv tus account. Kab lus no yuav qhia koj yuav xam li cas nruab nrab nrawm, qhov kev taw qhia twg tsis xav txog.

Kev nrawm yog tus nqi uas piav qhia kev hloov pauv nrawm, suav nrog kev hloov pauv. Koj tuaj yeem pom qhov nrawm nrawm kom pom qhov nrawm nrawm ntawm cov khoom dhau ib lub sijhawm. Txij li qhov no tsis yog qee yam uas tib neeg suav rau hauv lub neej txhua hnub, cov teeb meem nrawm tuaj yeem yog qhov txawv txav.

Qhov ntom ntawm ib yam khoom tau txhais raws li qhov sib piv ntawm qhov hnyav rau ntim. Kev ntom ntom yog siv hauv geology, thiab ntau lwm yam txuj ci ntawm lub cev. Kev ntom ntom kuj txiav txim siab seb yam khoom tuaj yeem ntab (tseem hu ua ntab dej) hauv dej, uas muaj qhov ntom ntom ntawm 1 gram ib cubic centimeter (g/cm).

Qhov hluav taws xob zoo li qub yog qhov tshwm sim ntawm kev faib hluav taws xob rov qab ntawm cov khoom sib txawv. Thaum feem ntau tsis muaj kev phom sij, hluav taws xob zoo li qub tuaj yeem ua rau mob thiab khaus. Hmoov zoo, muaj ntau txoj hauv kev los txo qhov muaj peev xwm ntawm hluav taws xob zoo li qub, xws li hloov khaub ncaws lossis hloov kho ib puag ncig.

Kev hloov pauv tam sim no (AC) yog txoj hauv kev zoo los ua hluav taws xob. Txawm li cas los xij, feem ntau cov khoom siv hluav taws xob xav tau hluav taws xob ncaj qha (DC) los ua haujlwm. Yog li, AC rau DC hloov pauv twb yog ib feem ntawm cov cuab yeej nws tus kheej lossis ib feem ntawm lub hwj huam qaum.

Cov hlau nplaum feem ntau pom muaj hauv cov cav, lub zog, lub tub yees, daim debit thiab daim npav rho nyiaj, nrog rau cov cuab yeej siv hluav taws xob xws li khaws cov guitar hluav taws xob, hais lus tso suab, thiab khoos phis tawj nyuaj. Cov hlau nplaum tuaj yeem ruaj khov, tsim ib txwm muaj, lossis hluav taws xob.

Yog tias koj yog tus kiv cua cigar, koj yuav xav tau lub ntsuas cua kom paub tseeb tias cov av noo ntawm cov pa hauv koj cov luam yeeb yog qhov raug. Lub ntsuas cua sov yog lub cuab yeej uas tuaj yeem ntsuas huab cua ntawm huab cua, ob qho tib si nyob hauv qhov chaw luam yeeb, lossis hauv lwm qhov chaw xws li lub tsev cog khoom, lub qhov txhab, tsev cia puav pheej, thiab lwm yam.

Tej zaum koj yuav tau hnov lo lus "nyiam sib nyiam", uas yog thaum ob qhov kev xav sib txawv zoo li nyiam ua rau ib leeg. Thaum nws qee zaum siv tsis tsim nyog hauv kev sib raug zoo, lub ntsiab lus cliché no yog txoj cai ntawm tus ntiv tes xoo rau sib nqus sib nqus.

Theories piav qhia vim li cas qee yam tshwm sim lossis kev sib raug zoo ntawm yam. Txoj kev xav yog "li cas" thiab "vim li cas" ntawm qhov pom "dab tsi". Txhawm rau tsim txoj kev xav, koj yuav tsum ua raws txoj kev tshawb fawb.

Txhawm rau suav qhov ntim ntawm lub ntim hauv nkas loos, koj feem ntau yuav tsum suav nws los ntawm kev hloov lub ntim los ntawm lwm chav ntsuas. Koj tuaj yeem xam cov nkas loos los ntawm lwm chav ntsuas, uas yog siv los piav qhia ntim. Kauj ruam Ntu 1 ntawm 3:

Lub pendulum muaj qhov hnyav tshem tawm ntawm tus pas nrig lossis hlua uas viav vias rov qab los. Pendulums muaj ntau nyob rau hauv cov cuab yeej siv sijhawm xws li metronomes, moos pendulum, seismometers, thiab viav vias xyab hlawv, thiab tuaj yeem siv los piav qhia cov teeb meem nyuaj ntawm lub cev.

Lub zog ntawm qhov hluav taws xob tam sim no (amperage) yog tus nqi hluav taws xob uas ua los ntawm cov khoom siv hluav taws xob, xws li cov xov hlau. Lub zog ntawm qhov hluav taws xob tam sim no ntsuas tus naj npawb ntawm cov hluav taws xob uas dhau los ntawm qee qhov taw tes hauv lub sijhawm muab sijhawm, nrog 1 ampere (lossis "

Kev quab yuam yog lub ntsiab lus ntawm lub cev txhais tias yog kev cuam tshuam uas ua rau cov khoom hloov pauv nws qhov nrawm lossis kev taw qhia ntawm kev txav los yog kev sib hloov. Lub zog tuaj yeem nrawm cov khoom los ntawm kev rub lossis thawb.

Koj tuaj yeem tsoo cov dej qab zib tuaj yeem nrog cov cua sov thiab lub tais dej. Nov yog qhov pom kev pom ntawm qee qhov hauv paus ntsiab lus tshawb fawb yooj yim, suav nrog cov dej siab thiab lub tswv yim ntawm lub tshuab nqus tsev. Cov kev sim no tuaj yeem ua los ntawm tus kws qhia raws li ua qauv qhia lossis los ntawm cov tub ntxhais kawm qib siab nyob hauv kev saib xyuas.

Yuav xam lub hwj chim li cas los yog watts, cov ntsiab lus no txhais li cas, thiab vim li cas cov ntsiab lus no tseem ceeb. Kauj ruam Kauj Ruam 1. Txheeb xyuas cov hauv paus Lo lus hwj chim tau txhais tias yog lub sijhawm ua haujlwm rau kev ua haujlwm.

Molar absorptivity, lwm yam hu ua molar attenuation coefficient, yog ntsuas ntsuas seb hom tshuaj lom neeg nqus tau lub teeb ntawm qee qhov nthwv dej. Qhov no tso cai sib piv ntawm cov sib txuas yam tsis tas yuav xav txog qhov sib txawv hauv kev daws teeb meem thiab qhov dav ntawm cov thawv ntim tshuaj thaum ntsuas.

Qhov sib txawv ntawm qhov hnyav thiab qhov hnyav yog dab tsi? Qhov hnyav yog qhov cuam tshuam ntawm lub ntiajteb txawj nqus ntawm ib yam khoom. Pawg yog qhov teeb meem hauv qhov khoom tsis hais txog qhov cuam tshuam ntawm lub ntiajteb txawj nqus ntawm qhov khoom.

Kev tiv thaiv yog ntsuas ntawm qhov nyuaj ntawm cov khoom siv hluav taws xob kom ntws los ntawm ib yam khoom tshwj xeeb. Kev tawm tsam zoo ib yam li kev sib txhuam ntawm cov khoom uas tau ntsib thaum nws txav lossis txav mus rau saum npoo. Kev tiv thaiv yog ntsuas hauv ohms;

Cov hluav taws xob zoo li qub yog tshwm sim los ntawm hluav taws xob uas tsim tawm ntawm cov khaub ncaws vim muaj kev sib txhuam thiab ua kom qhuav. Muaj ntau txoj hauv kev kom tshem tawm hluav taws xob zoo li sai tau, txawm hais tias koj yuav tau hloov txoj kev koj ntxuav thiab qhuav koj cov khaub ncaws yog tias hluav taws xob zoo li qub yog teeb meem loj hauv koj lub khaub ncaws.

Kev nrawm yog ntsuas qhov nrawm ntawm cov khoom txav mus. Lub hom phiaj qhov nrawm yog tag nrho kev nrug deb tau mus ncig hauv lub sijhawm. Chav nyob rau nrawm yog mais ib teev (mais/teev lossis mph), centimeters ib ob (cm/thib ob lossis cm/s), meters ib ob (m/thib ob lossis m/s), lossis kilometers ib teev (km/teev) sau kph).

"Inductance" hais txog kev sib koom ua ke, uas yog thaum hluav taws xob hluav taws xob tsim hluav taws xob vim kev hloov pauv tam sim no hauv lwm txoj hlua, thiab tus kheej inductance, uas yog kev tsim hluav taws xob hauv cov hlua vim nws tus kheej tam sim no.

Kev tso qe yog qhov kev sim tshawb fawb qub, tab sis nws tseem txaus ntshai yog tias koj tsis tau ua dua ua ntej. Txhawm rau kom muaj peev xwm ntog qe yam tsis tawg nws, koj yuav tsum nrhiav txoj hauv kev los txo qis qhov kev cuam tshuam ntawm kev cuam tshuam thiab nws cov txiaj ntsig ntawm lub qe tawg.

Qhov nrug, feem ntau muab qhov sib txawv "s", yog ntsuas qhov chaw uas yog kab ncaj nruab nrab ntawm ob lub ntsiab lus. Qhov nrug tuaj yeem hais txog qhov chaw nruab nrab ntawm ob lub ntsiab lus tsis hloov pauv (piv txwv li, ib tus neeg qhov siab yog qhov deb ntawm hauv qab ntawm ko taw mus rau saum taub hau) lossis nws tuaj yeem hais txog qhov chaw nruab nrab ntawm txoj haujlwm tam sim no ntawm cov khoom txav thiab thawj qhov chaw uas lub hom phiaj pib txav mus.

Puas muaj teeb meem daws teeb meem physics? Muaj qhov yooj yim thiab cov txheej txheem ntawm cov txheej txheem los daws txhua qhov teeb meem physics. Kauj ruam Kauj Ruam 1. Ua Siab Zoo Nws tsuas yog teeb meem ntawm lub cev, tsis yog qhov kawg ntawm koj lub ntiaj teb.

Horsepower yog chav ntsuas ntawm lub zog. Chav tsev no tau tsim los ntawm tus kws tshaj lij los ntawm Scotland los sib piv lub zog ntawm lub tshuab ua pa nrog lub zog. Kab lus no yuav qhia koj li cas los laij lub cav horsepower ntawm lub tsheb, lub tshuab hluav taws xob, thiab koj tus kheej lub cev.

Tsuas yog ua tiav qhov kev sim physics thiab raug txib kom ua daim ntawv tshaj tawm? Txawm hais tias nws zoo li tsis muaj teeb meem, qhov tseeb cov txheej txheem ntawm kev tshawb fawb qhia tsis yog qhov nyuaj. Nco ntsoov, lub hom phiaj tseem ceeb ntawm tsab ntawv ceeb toom yog piav qhia cov txheej txheem kev tshawb fawb koj tau hla mus rau cov tib neeg uas tsis tau paub dua - thiab xav kawm los ntawm - kev tshawb fawb.

Longitude thiab latitude yog cov ntsiab lus ntawm lub ntiaj teb uas pab koj nrhiav qhov chaw tshwj xeeb. Thaum sau kab ntev thiab kab rov tav, koj yuav tsum ua kom ntseeg tau tias hom ntawv thiab cov cim raug kom raug kom lawv nkag siab tau.

Ua qauv piv txwv ntawm lub ntiaj teb yog kev lom zem rau kev kawm geography, geology, thiab astronomy. Lob koj cov xim thiab pib ua qhov piv txwv ntawm lub ntiaj teb. Kauj ruam Txoj Kev 1 ntawm 3: Tsim Daim Qauv Ntiaj Teb Kauj Ruam 1.

Koj puas tau xav tsim daim ntawv qhia ua kom tiav koj cov ntawv tshiab, lossis tsim kev nco txog tus kheej ntawm qhov chaw koj tau mus? Nrog tsuas yog kev npaj me me thiab tsim qauv, koj yuav yog tus tsim daim ntawv qhia chaw tsis muaj sijhawm!

Thaum twg los xij koj xav sau ib daim ntawv teev npe, koj yuav tsum hais nws nrov nrov dhau los lossis sau nws ntau li ntau tau. 50 lub xeev cov npe yog daim ntawv teev npe ntev los nyeem ntau dua, tab sis nws yooj yim dua kom muaj cov nkauj tshwj xeeb lossis kab lus los pab koj nco lawv kom raug.

Kev nco lub tebchaws nyob ntawm daim duab qhia chaw hauv ntiaj teb tuaj yeem yog txoj haujlwm nyuaj, tab sis muaj ntau txoj hauv kev uas ua rau cov txheej txheem yooj yim dua. Nco ntsoov tias koj siv daim ntawv qhia tshiab tshaj plaws thiab cim cov npe ntawm lub tebchaws los ntawm sab av loj kom txoj kev kawm tsis muaj kev hem thawj.