Cov txheej txheem:

Dab tsi yog rau lub tshuab yooj yim thiab cov piv txwv ntawm lawv yog dab tsi?
Dab tsi yog rau lub tshuab yooj yim thiab cov piv txwv ntawm lawv yog dab tsi?

Video: Dab tsi yog rau lub tshuab yooj yim thiab cov piv txwv ntawm lawv yog dab tsi?

Video: Dab tsi yog rau lub tshuab yooj yim thiab cov piv txwv ntawm lawv yog dab tsi?
Video: 2/23/22. Poj Nplog Yug Tau Me Nyuam Txawv Heev/Meskas Muab Russia Kaw Ib Puas Tsav Yam/Hmong News. 2024, Kaum ib hlis
Anonim

Cov no yog cov rau lub tshuab yooj yim : wedge, log thiab qag, qib, inclined dav hlau, ntsia hlau, thiab rub tawm.

Ib yam li ntawd, nws tau nug, dab tsi yog qee qhov piv txwv ntawm rau lub tshuab yooj yim?

Qhov tseem ceeb tshaj plaws ntawm cov no yog hu ua "rau lub tshuab yooj yim": lub log thiab qag , lub zog, lub inclined dav hlau , lub pulley, ntsia hlau, thiab lub npoo, txawm hais tias tom kawg peb yog qhov tseeb tsuas yog txuas ntxiv lossis ua ke ntawm thawj peb.

Tsis tas li ntawd, 7 lub tshuab yooj yim yog dab tsi? Xya Lub Tshuab Yooj Yim yog hais txog cov tshuab yooj yim classical uas tau txhais los ntawm Archimedes ntxiv refined los ntawm Renaissance cov kws tshawb fawb raws li theem pib "lub tsev blocks" uas tag nrho cov tshuab nyuaj yog tsim. Lawv suav nrog cov lever , cov log thiab qag , rubey , inclined dav hlau , peb thiab ntsia hlau.

Kuj kom paub, 10 lub tshuab yooj yim yog dab tsi?

Cov tshuab yooj yim yog cov inclined dav hlau , lauj, log thiab qag , pulley, thiab ntsia hlau.

Dab tsi yog qee lub tshuab yooj yim hauv koj lub tsev?

Nov yog qee qhov chaw uas pom ntau tshaj plaws los nrhiav cov tshuab yooj yim hauv tsev:

  • Pulley: qhov muag tsis pom, qhov rooj rau tsheb, tus chij ncej.
  • Qib: pom pom, pry bar, qib ua qhov rooj qhov rooj.
  • Nplaum: txiab, ntsia hlau, riam.
  • Lub log thiab qag: lub rooj zaum hauv chaw ua haujlwm, lub laub, lub log nqa lub nra thiab cov khoom ua si tsheb.

Pom zoo: