2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17
Cov nkag thiab tso tawm zog yog txawv yog hais tias lub fulcrum tsis yog hauv chaw ntawm tus lever . Sab ntawm tus lever nrog qhov ntev caj npab muaj lub zog me me. Rau ib txhia levers , cov output caj npab yog ntev tshaj qhov input arm thiab output quab yuam tsawg dua li qhov xav tau nkag zog.
Kuj kom paub yog, dab tsi yog qhov tso zis caj npab?
Lub sij hawm. Tawm sab caj npab . Txhais. nrug ntawm tso tawm zog thiab fulcrum.
Dhau li ntawm saum toj no, dab tsi yog qhov input arm output caj npab thiab lub fulcrum ntawm lub pulley? Lub qag ntawm lub rubey ua raws li cov fulcrum . Ob sab ntawm lub rubey yog cov input caj npab thiab output caj npab . A rubey tuaj yeem hloov cov kev taw qhia ntawm nkag quab yuam los yog nce nkag quab yuam, nyob ntawm seb lub rubey yog tsau los yog movable. Ib qhov system pulleys tuaj yeem hloov cov kev taw qhia ntawm nkag quab yuam thiab ua kom loj dua.
Hauv qhov no, dab tsi yog qhov kev tawm tswv yim thiab kev tawm ntawm lub zog?
Cov chav kawm ntawm Levers Cov nkag quab yuam yog lub zog siv los ntawm tus neeg siv rau lub lever . Cov tso tawm lub zog yog lub zog siv los ntawm lub lever rau qhov khoom. Raws li qhov chaw ntawm input thiab output rog, muaj peb yam yooj yim ntawm levers , hu ua first-class, second-class, and third-class levers.
Hom lever yog koj txhais caj npab?
Ib khoov caj npab yog a Chav kawm 3 lever . Cov pivot at tus luj tshib thiab lub hauv pliaj ua li caj npab . Cov biceps nqaij muab tus dag zog (lub zog) thiab khoov lub hauv pliaj tawm tsam tus luj of lub hauv pliaj thiab tej luj ntawd tus txhais tes yuav tuav. Cov load yog nyob deb ntawm tus piv o tus kev siv zog.
Pom zoo:
Dab tsi yog qhov txawv ntawm qhov ua tau zoo thiab cov khoom lag luam teb thiab cov ntsiab lus ntawm kev lag luam uas txhua qhov ua haujlwm zoo tshaj?
Lub tuam txhab muaj peev xwm ua kom tau raws li cov neeg siv khoom xav tau raws sijhawm yog hu ua Kev Ua Haujlwm Zoo, thaum ua haujlwm tau zoo yog lub tuam txhab muaj peev xwm xa khoom raws li tus neeg siv khoom xav tau nrog tsawg kawg ntawm cov khoom siv raw, kev ua haujlwm thiab tus nqi
Dab tsi txaus ntshai zoo kawg li nws yog qhov peb yuav tsum tau khawb trenches thiab sim cov roj npog qhov ncauj qhov ntswg ntawm no vim muaj kev sib cav nyob hauv lub tebchaws nyob deb ntawm cov neeg uas peb tsis paub dab tsi?
Qhov txaus ntshai npaum li cas, zoo heev, zoo kawg yog tias peb yuav tsum tau khawb trenches thiab sim roj-qhov ncauj qhov ntswg ntawm no vim muaj kev sib cav nyob rau hauv ib lub teb chaws nyob deb ntawm cov neeg uas peb tsis paub dab tsi. Nws zoo nkaus li tseem tsis yooj yim dua tias kev sib cav uas twb tau hais tseg hauv txoj cai yuav tsum yog kev ua tsov rog
Dab tsi yog qhov txawv ntawm qhov cuam tshuam qhov (socket) thiab lub qhov (socket) pa?
Rau kuv qhov kev paub qhov sib txawv yog nqes mus rau cov khoom siv Qhov saum npoo-hardening ua rau muaj kev cuam tshuam cov qhov (socket) kom nqus tau qhov hloov pauv tam sim ntawd (aka 'kev cuam tshuam') zoo dua. Nrog rau kev cuam tshuam txaus txaus, lub qhov (socket) tsis tu ncua tuaj yeem tawm ntawm cov duab vim tias cov hlau siv muaj softer
Input Output qhov tshwm sim thiab qhov cuam tshuam yog dab tsi?
Lawv tsis pom tam sim ntawd tom qab qhov kawg ntawm qhov haujlwm ua haujlwm. Cov txiaj ntsig yog cov txiaj ntsig uas tau ua tiav tam sim tom qab ua tiav ib qho haujlwm. Kev cuam tshuam yog qhov kev hloov pauv dav dav uas tshwm sim hauv zej zog, koom haum, zej zog, lossis ib puag ncig raws li qhov txiaj ntsig ntawm kev pab cuam
Dab tsi yog qhov txawv ntawm cov saw ntawm lub npe thiab cov ntsiab lus ntawm lub npe?
Ib daim ntawv tso cai muaj cov npe ntawm txhua tus neeg uas tau txais lub npe rau ib qho khoom. Ib txoj hlua ntawm kev tshawb nrhiav lub npe tuaj yeem nthuav tawm me me lossis loj tawg hauv cov saw hlau. Ib qho kev paub daws teeb meem ntawm lub npe suav nrog cov ntaub ntawv los ntawm deeds, mortgages, easements, and debts to provide a condensed history of the title