Dab tsi yog qhov system ntawm lub zog?
Dab tsi yog qhov system ntawm lub zog?

Video: Dab tsi yog qhov system ntawm lub zog?

Video: Dab tsi yog qhov system ntawm lub zog?
Video: Qhia caum yus tu hlub los yog saib yus tu hlub ua dab tsi 2021 2024, Kaum ib hlis
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System of Forces . Thaum ob peb zog ntawm qhov sib txawv ntawm qhov sib txawv thiab cov kev taw qhia sib txawv ua raws li qee lub cev, lawv suav nrog a system ntawm rog . Yog tag nrho zog hauv a qhov system pw hauv ib lub dav hlau, nws hu ua coplanar zog system . Hauv ib qhov system ntawm parallel zog , cwb zog yog parallel rau ib leeg.

Ib yam li ntawd, qhov sib txawv ntawm lub zog yog dab tsi?

Muaj ob lub ntsiab hom ntawm zog systems xws li coplanar, non-coplanar, concurrent thiab non-concurrent. Nws yog concurrent zog system thaum cov kab ntawm kev txiav txim ntawm ib txheej ntawm zog ntsib ntawm ib qho chaw hu ua point of concurrency.

Tsis tas li ntawd, dab tsi yog qhov tshwm sim ntawm lub zog ntawm lub zog? Qhov tshwm sim ntawm Concurrent Force System . Qhov tshwm sim ntawm a zog system yog a zog los yog ob peb yam uas yuav muaj qhov cuam tshuam tib yam rau lub cev, ob qho tib si hauv kev txhais lus thiab kev sib hloov, yog tias tag nrho cov zog raug tshem tawm thiab hloov los ntawm cov tshwm sim . Z-cov ntsiab lus ntawm lub tshwm sim yog sib npaug rau qhov summation ntawm zog hauv z-direction.

Ib sab saum toj, dab tsi yog qhov system quab yuam hauv mechanics?

Thaum a mechanics teeb meem los yog qhov system muaj ntau tshaj ib zog ua yeeb yam, nws yog lub npe hu ua ' zog system 'lub' qhov system ntawm zog '. Fig.2.2 Force System . 2.3.1 Sib Force System . Thaum cov kab ntawm kev ua ntawm tag nrho cov zog ntawm a qhov system ua raws tib txoj kab, qhov no zog system hu ua collinear zog system.

Dab tsi yog collinear rog?

Collinear rog yog zog uas muaj ib txoj kab ntawm kev txiav txim, i.e. kab ntawm kev txiav txim ntawm lub zog dag raws ib txoj kab ncaj nraim. Piv txwv li: ob tug neeg sawv ntawm qhov ntxeev ntawm txoj hlua thiab rub nws. · tshem tawm load los ntawm ib tug cable.

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