Cov kua ua rau cov hlau nplaum li cas?
Cov kua ua rau cov hlau nplaum li cas?

Video: Cov kua ua rau cov hlau nplaum li cas?

Video: Cov kua ua rau cov hlau nplaum li cas?
Video: Tshuaj theem vim li cas thiaj tau nqi ?/ Siv kho mob dab tsi?/paris polyphylla use for? 2024, Kaum ib hlis
Anonim

Thaum siv dej thiab zaub roj, daim ntawv clips txav los ntawm lub ua kua mus rau hlau nplaum sai heev. Qhov no yog vim qhov kua muab kev tiv thaiv tsawg heev. Txawm li cas los xij, daim ntawv clips hauv pob kws phoov tau maj mam txav mus rau qhov hlau nplaum . Cov hlau nplaum tseem tseem nyiam cov ntawv ntawv hauv txhua qhov xwm txheej.

Tsis tas li, cov hlau nplaum puas tuaj yeem rub los ntawm cov kua?

Cov hlau nplaum tuaj yeem rub los ntawm gases, zoo li cua, tab sis lawv ua tau kuj rub los ntawm khoom thiab txawm kua , nyob ntawm lub zog ntawm lub hlau nplaum . Ib qho chaw sib nqus yog qhov chaw nyob ib puag ncig hlau nplaum qhov twg nws tuaj yeem nyiam los yog tshem tawm tej yam.

Kuj Paub, cov hlau nplaum tuaj yeem khaws cov ntawv hlau hauv dej? Yog ob leeg hlau nplaum thiab ntawv clips nyob hauv dej , lawv yuav tsis nyiam ” Amy: “Kuv xav hlau nplaum yuav tsum tau nyob rau hauv cov huab cua, tab sis nws tsis muaj teeb meem yog hais tias tus daim ntawv clip yog. Txawm li cas los xij, thaum hlau nplaum nyob hauv dej , lawv ua hauj lwm txawv. Cov ntawv clips yuav yuav repelled los ntawm hlau nplaum ."

Tom qab ntawd, cov hlau nplaum puas cuam tshuam rau dej?

Nws tsis zoo li nws yuav yog magnetic tab sis nws hloov tawm dej , thiab txhua yam teeb meem, tuaj yeem pom cov khoom sib nqus yog tias koj muab tso rau hauv qhov loj txaus sib nqus. Dej yog me ntsis repelled los ntawm ib tug muaj zog heev hlau nplaum.

Sib nqus quab yuam dhau los ntawm cov roj?

Cov magnetic zog (los yog magnetism) tuaj yeem hla dhau nyias cov ntawv tsis- Sib nqus cov khoom xws li ntawv, iav lossis ntoo. Yog hais tias tib steel pob bearing poob rau hauv ib lub tank hlau ntim nrog roj , cov hlau nplaum sticks rau lub tank hlau. Qhov no yog vim hlau yog ib Sib nqus khoom.

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