Cov txheej txheem:

Dab tsi yog cov tshuab yooj yim Lawv pab peb li cas?
Dab tsi yog cov tshuab yooj yim Lawv pab peb li cas?

Video: Dab tsi yog cov tshuab yooj yim Lawv pab peb li cas?

Video: Dab tsi yog cov tshuab yooj yim Lawv pab peb li cas?
Video: Huab Vwj & Celesna Lor- Qhov Tawv Tawv-Nkauj Tawm Tshiab 2024, Kaum ib hlis
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Cov tshuab yooj yim muaj txiaj ntsig zoo vim tias lawv txo qis kev siv zog lossis txuas ntxiv lub peev xwm ntawm tib neeg los ua cov haujlwm tshaj li lawv lub peev xwm. Cov tshuab yooj yim uas tau siv dav suav nrog lub log thiab qag, rubey , inclined dav hlau, ntsia hlau, wedge thiab lever.

Hais txog qhov no, lub tshuab yooj yim pab peb li cas?

Cov tshuab yooj yim ua ua hauj lwm yooj yim dua rau peb los ntawm kev tso cai peb thawb lossis rub dhau qhov kev ncua deb. Pulley yog ib tshuab yooj yim uas siv cov log grooved thiab hlua los tsa, txo qis lossis txav mus los. Lub lever yog ib tug txhav bar uas rests ntawm ib kev txhawb nqa hu ua fulcrum uas lifts lossis txav loads.

Kuj Paub, 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 lub lever, lub log thiab qag , rubey , inclined dav hlau , wedge thiab screw.

Khaws qhov no hauv kev xav, dab tsi yog qhov zoo ntawm kev siv lub tshuab yooj yim?

Txo cov haujlwm uas xav tau los txav ib qho khoom. Nce tus neeg kho tshuab qhov zoo los ntawm kev ua kom lub zog siv zog uas siv tau. Txo cov nqi zog uas yuav tsum tau ua.

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

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

  • Pulley: blinds, garage qhov rooj, chij ncej.
  • Lever: pom saw, pry bar, lever action door latches.
  • Kab: 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: