2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
frictionless dav hlau tsis muaj nyob hauv lub ntiaj teb tiag. Txawm li cas los xij, yog tias lawv tau ua, ib tus tuaj yeem paub tseeb tias cov khoom ntawm lawv yuav coj raws nraim li Galileo kwv yees. Txawm hais tias lawv tsis muaj nyob, lawv muaj txiaj ntsig zoo hauv kev tsim lub cav, lub cev muaj zog, txoj hauv kev, thiab txawm tias lub txaj tsheb thauj mus los, rau npe rau qee qhov piv txwv.
Puas muaj cov khoom uas tsis muaj kev sib txhuam?
Learn more physics!
A: Txoj kev ua tau tiag tiag yam tsis muaj kev sib txhuam! Txawm hais tias ib qho khoom nyob ruaj khov nyob rau hauv ib qho kev siv thav duab, nyob rau hauv lwm cov qauv siv txav nrog kev hwm thawj, tib yam khoom yuav pom tau txav mus. Yog li tsab ntawv tsa suab yeej tsis xav tau kev sib txhuam!
Qhov chaw twg muaj kev sib txhuam tsawg kawg?
SMOOTH SURFACE muaj qhov tsawg kawg nkaus ntawm kev sib txhuam vim muaj qhov tsis zoo.
txhais li cas yog qhov chaw tsis muaj kev sib txhuam?
Yog tsis muaj zog ua rau tus skater thiab nws nyob ntawm qhov chaw tsis muaj kev sib txhuam, ces txhais tau tias nws tsis muaj qhov nrawm nrawm. … Yog hais tias ib yam khoom txav nrog lub nrawm thiab tsis muaj acceleration, ces qhov ceev yuav nyob twj ywm.
Ib yam khoom puas tuaj yeem tsis muaj kev sib txhuam?
frictionless dav hlau tsis muaj nyob hauv lub ntiaj teb tiag. Txawm li cas los xij, yog tias lawv tau ua, ib tus tuaj yeem paub tseeb tias cov khoom ntawm lawv yuav coj raws nraim li Galileo kwv yees. Txawm hais tias lawv tsis muaj nyob, lawv muaj txiaj ntsig zoo hauv kev tsim cov cav, motors, txoj kev, thiabtxawm cab-tsheb txaj, rau npe rau ob peb yam piv txwv.
Pom zoo:
Koj puas raug rau qhov tsis sib tw lossis tsis sib tw?
Daim ntawv cog lus tsis sib tw yog daim ntawv cog lus ntawm tus neeg ua haujlwm thiab tus tswv haujlwm. Ib tus neeg tsis sib tw txwv tsis pub tus neeg ua haujlwm koom nrog kev lag luam uas sib tw nrog nws tus tswv haujlwm tam sim no. Txawm hais tias tus tswv haujlwm tsis tuaj yeem hais kom koj kos npe rau qhov tsis sib tw, lawv tuaj yeem txiav tawm, lossis xaiv tsis ntiav koj yog tias koj tsis kam kos npe.
Ntawm qhov chaw twg muaj qhov sib txhuam tsawg tshaj plaws?
SMOOTH SURFACE muaj qhov tsawg kawg nkaus ntawm kev sib txhuam vim muaj qhov tsis zoo. Qhov chaw twg muaj kev sib txhuam tsawg? A mooth nto muaj me me toj thiab hav. Kuj tseem muaj cov khoom siv hluav taws xob electrostatic nyob nruab nrab ntawm qhov chaw, tab sis cov no tsis muaj zog dua li lub cev tiv thaiv kev zawv zawg.
Puas txhuam txhuam hniav puas tas sijhawm?
Thaum pov: Cov ntsia hlau ntev npaum li cas? Zoo, nyob ntawm. Qhib lub raj mis, tom qab li ob xyoos. Tsis qhib, lawv tuaj yeem nyob mus ib txhis, hais tias Annette Soboleski, tus kws tshaj lij rau ntsia thawv polish tsim OPI Products Inc. Koj tuaj yeem qhia tau li cas yog cov ntsia thawv polish tau ploj mus?
Puas txhuam txhuam txhuam koj lub tsheb?
Thaum koj nqa koj lub tsheb mus rau lub tsheb ntxuav, tsis txhob siv lub tshuab ua npuas ncauj. Nws yuav twv yuav raug khawb ntawm koj lub tsho ntshiab, tshwj xeeb nrog Siberian Ice. Puas txhuam txhuam tsis zoo rau lub tsheb? Tshwj xeeb tshaj yog vim txhua tus siv lawv, lawv poob rau hauv av, thiab muaj av thiab grit uas yuav khawb koj lub tsheb.
Vim li cas qhov tseem ceeb ntawm qhov muaj zog thiab qhov tsis muaj zog yog qhov tseem ceeb?
Nws yog ib qho tseem ceeb rau qhov tseem ceeb ntawm qhov ua tau zoo thiab qhov tsis muaj zog vim qhov no pab lub tuam txhab txiav txim siab txog thaj chaw uas lawv yuav tsum tau txhim kho ntxiv rau thaj chaw uas lawv ua tau zoo hauv. Vim li cas lub zog thiab qhov tsis muaj zog tseem ceeb?
