Cov txheej txheem:

Dab tsi yog qhov piv txwv pulley?
Dab tsi yog qhov piv txwv pulley?

Video: Dab tsi yog qhov piv txwv pulley?

Video: Dab tsi yog qhov piv txwv pulley?
Video: ntxawg lis - tsi yog koj chaw so taw Full song ( nkauj tshiab 2020)2020/2/22 2024, Kaum ib hlis
Anonim

Piv txwv ntawm cov hlua suav nrog: of the elevator siv ntau yam cov hlua txhawm rau ua haujlwm. Lub tshuab nqa khoom nqa uas tso cai rau cov khoom kom nqa mus rau hauv pem teb siab dua yog a rubey lawv. Wells siv lub tus menyuam system kom nqa lub thoob tawm ntawm lub qhov dej. Muaj ntau hom kev tawm dag zog siv cov hlua txhawm rau ua haujlwm.

Nyob rau hauv no hais txog, dab tsi yog cov piv txwv ntawm pulleys nyob rau hauv lub neej txhua hnub?

Piv txwv ntawm Pulleys hauv Lub Neej Txhua Hnub

  • Lub elevator. Of Elevator ua haujlwm ntawm lub zog hluav taws xob pulley system.
  • Wells.
  • Qoj Tshuab.
  • Kev Siv Pulleys.
  • Theatre Systems.

Ib tug kuj yuav nug, dab tsi yog lub pulley yooj yim txhais? rubey . Cov txhais ntawm a tus menyuam yog lub log me me ruaj khov lossis ib pab pawg ntawm cov log uas muaj cov hlua lossis cov saw hauv cov npoo uas tau siv los nqa qee yam. Ib qho piv txwv ntawm a tus menyuam yog ib lub cuab yeej rau tsa chij.

Raws li txoj cai, 3 hom pulleys yog dab tsi?

Pulleys muaj ib lub log uas tig ntawm lub qag-uas yog ib tug pas nrig los ntawm qhov chaw ntawm lub log-thiab ib txoj hlua, cable, los yog saw. Muaj peb lub ntsiab hom pulleys : tsau, txav tau, thiab sib xyaw. Ib tsau cov pulley log thiab qag nyob hauv ib qho chaw.

Lub pulley ua haujlwm yooj yim li cas?

Pulleys yog cov tshuab yooj yim uas muaj zog. Lawv tuaj yeem hloov qhov kev taw qhia ntawm lub zog, uas tuaj yeem ua tau ua nws ntau yooj yim dua rau peb txav ib yam dab tsi. Yog tias peb xav nqa ib yam khoom uas hnyav 10 kilograms ib meter siab, peb tuaj yeem nqa nws ncaj nraim lossis peb tuaj yeem siv lub rubey , yog li peb tuaj yeem rub tawm ntawm ib kawg kom nqa cov khoom nce.

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