Qhov khoom ua si zoo nkauj thiab ntxim nyiam yoyo (yoyo) uas tuaj yeem khaws tus menyuam thiab yuav luag txhua tus neeg laus tsis khoom ntev ntev. Lub povhaum ntawm yam no nyob hauv nws qhov yooj yim. Muaj ntau yam sib txawv ntawm cov yo-yos ua si hnub no. Muaj ob qho lawv qhov kev sib tw thiab lawv cov neeg sib tw. Hauv CIS, qhov kev nthuav tawm no kuj zoo nkauj.
Cov Lus Qhia
Lub hauv paus ntsiab lus ntawm kev ua haujlwm ntawm qhov txuj ci tseem ceeb bouncy nyob rau hauv nws daim ntawv. Newtonian quab yuam thiab tsis muaj dab tsi ntxiv. Raws li cov ntawv postulates ntawm txoj kev xav ntawm kev nyiam thoob ntiaj teb, qhov tseem ceeb rau ib qho khoom ua si yog xaiv qhov raug hnyav. Qhov thib ob qhov teeb meem yog qhov zoo tshaj plaws ntawm cov qauv puag ncig, lub elasticity ntawm xov, nws lub zog tensile, thiab lub zog ntawm qhov sib dhos qauv.
Qhov tseeb, kev ua kom yoj tsis yooj yim. Cov khoom ua si muaj ntau qhov sib xws nrog Soviet-style spool ntawm xov. Tab sis nws ob sab tis me ntsis. Thiab ntawm no nws yog tus naj npawb ib lub tswv yim.
Txhawm rau ua kom nws, koj tuaj yeem siv xov ntoo xov spool. Kev voj voos ntawm cov sib npaug sib npaug yuav tsum tau lo rau cov txhuam ntawm cov kauj. Nws zoo dua yog tias lawv muaj khoov khoov rau sab hauv. Ua ntej tshaj tawm, nws tsim nyog kom yoj koj tus txiv neej nrog cov khoom sib tw. Cov ntsia hlau los yog lwm cov pas hlau hnyav ntog rau hauv qhov nruab nrab ntawm lub kauj yuav ua txoj haujlwm no zoo kawg nkaus Nws yog qhov tseem ceeb heev uas lub nra yuav muab faib rau tusyees thiab qhov chaw nruab nrab, qhov no yog lwm qhov laj thawj vim li cas cov coil yuav haum txig.
Koj tuaj yeem ua cov voj voog nrog ob sab los ntawm cov kaus poom ntim. Lawv cov npoo yog yooj yim rau deform thiab khoov. Ib qho ntxiv, lawv yuav ntxiv ib lub tshav puam tshwj xeeb rau cov khoom ua si. Txoj kev xaiv, cov paib yas, lub hau fwj thiab lwm yam ntaub ntawv muaj peev xwm tuaj yeem pab tau.
Qhov thib ob nthuav kev xaiv rau cov khoom siv tes ua yog lub log. Txhawm rau ua kom xis nyob thiab hnyav txaus, koj tuaj yeem siv cov yas casters lossis cov log log log. Nws yog ib qho yooj yim los txuas ob lub log, vim tias muaj cov xov ntawm kev lag luam. Qhov tsis zoo tsuas yog qhov khoom ua si tuaj yeem tig mus ua qhov hnyav thiab mob. Txawm li cas los xij, zoo li ib qho ntawm lawv.
Cov tswv yim rau kev siv yuav tuaj yeem pom nyob hauv lub tsev tsim hluav taws xob thiab hauv khw muag khoom ua si. Qhov loj tshaj plaws yog kom ceev faj thiab nrhiav cov ntu uas yuav ua tau raws li qhov xav tau ntawm cov khoom ua si.
