Video: Elastic zog ua haujlwm li cas?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Elastic peev xwm zog yog zog khaws cia los ntawm kev siv lub zog los deform ib qho elastic khoom. Cov zog yog khaws cia kom txog thaum lub zog raug tshem tawm thiab cov khoom springs rov qab mus rau nws qhov qub, ua ua haujlwm nyob rau hauv tus txheej txheem. Kev deformation tuaj yeem suav nrog compressing, ncab lossis twisting cov khoom.
Ntawm no, yuav siv zog elastic zog li cas?
Cov elastic peev xwm zog equation yog siv nyob rau hauv xam cov hauj lwm ntawm mechanical equilibrium. Cov zog muaj peev xwm raws li nws yuav hloov mus rau lwm yam ntaub ntawv ntawm zog , xws li kinetic zog thiab suab zog , thaum qhov khoom tso cai rau rov qab los rau nws cov duab qub (reformation) los ntawm nws elasticity.
Ib yam li ntawd, lub zog elastic hauv kev tshawb fawb yog dab tsi? Elastic peev xwm zog yog Potential zog khaws cia raws li qhov tshwm sim ntawm deformation ntawm ib qho elastic khoom, xws li stretching ntawm lub caij nplooj ntoos hlav. Nws yog sib npaug rau cov hauj lwm ua kom ncav lub caij nplooj ntoos hlav, uas nyob ntawm lub caij nplooj ntoos hlav tas li k raws li qhov kev ncua deb.
Tom qab ntawd, dab tsi yog lub mis rau elastic zog?
Elastic peev xwm zog yog sib npaug rau lub zog lub sij hawm ntawm qhov kev ncua deb ntawm kev txav mus los. Elastic peev xwm zog = quab yuam x deb ntawm kev xaav. Vim lub zog yog = caij nplooj ntoos hlav tas li x hloov chaw, ces tus Elastic peev xwm zog = caij nplooj ntoos hlav tas li x hloov chaw squared.
Vim li cas elastic zog tseem ceeb?
Lim zog yog ib lub zog tseem ceeb khaws cia rau hauv elastic cov khoom thaum lawv deform vim yog sab nraud quab yuam. Qhov no zog tuaj yeem hloov mus rau hauv mechanical zog thiab siv los elastically rov qab ib yam khoom rau nws tus qauv qub thiab kev taw qhia thaum lub zog raug tshem tawm.
Pom zoo:
Lub zog thiab lub zog ua haujlwm yog dab tsi?
WORK = W = Fd. Vim tias lub zog yog lub peev xwm ua haujlwm, peb ntsuas lub zog thiab ua haujlwm hauv tib chav (N * m lossis joules). POWER (P) yog tus nqi ntawm lub zog tsim (lossis nqus) lub sijhawm: P = E / t. Fais fab lub SI unit ntawm kev ntsuas yog Watt, sawv cev rau tiam los yog nqus ntawm lub zog ntawm tus nqi ntawm 1 Joule / sec
Nyob rau hauv cov xwm txheej twg muaj zog elastic zog tam sim no?
Elastic muaj peev xwm muaj peev xwm muab khaws cia rau hauv cov roj hmab bands, bungee chords, trampolines, springs, ib tug xub kos rau hauv ib tug hneev nti, thiab lwm yam. Tus nqi ntawm elastic zog muaj peev xwm khaws cia nyob rau hauv xws li ib tug ntaus ntawv muaj feem xyuam rau tus nqi ntawm stretch ntawm lub ntaus ntawv - qhov ntau. stretch, lub zog khaws cia ntau dua
Lub zog zoo li cas yog lub teeb lub zog hloov dua siab tshiab kom lub tshuab xam zauv ua haujlwm?
Kab nyob rau sab saum toj ntawm lub tshuab xam zauv. Ua li cas lub zog yog lub teeb lub zog hloov dua siab tshiab kom lub tshuab xam zauv ua haujlwm? Lawv hloov lub teeb lub zog rau hauv hluav taws xob hluav taws xob. zaub mov
Yuav ua li cas koj muab tau elastic muaj peev xwm zog?
Elastic muaj peev xwm lub zog yog lub zog muaj peev xwm khaws cia los ntawm ncab lossis compressing ib qho khoom elastic los ntawm lwm lub zog xws li ncab ntawm lub caij nplooj ntoos hlav. Nws yog sib npaug rau txoj haujlwm ua kom ncab lub caij nplooj ntoos hlav uas nyob ntawm lub caij nplooj ntoos hlav tas li k thiab qhov kev ncua deb
Dab tsi yog qhov txawv ntawm lub zog siv zog thiab lub zog thauj khoom?
Raws li nrog cov dav hlau inclined, cov khoom yuav tsum tau txav mus los yog lub zog muaj zog los yog thauj khoom thiab kev siv zog yog lub zog muab tso rau hauv kev txav mus los ntawm lwm qhov kawg ntawm lub fulcrum