Tsoom fwv teb chaws cov lus qhia tam sim no hais tias fulcrum seesaws tuaj yeem ntsia tau nyab xeeb yog tias lub tsheb log tshebtau muab tso rau hauv qab cov rooj zaum thiab qhov chaw txaus nyob ib puag ncig lawv thaum lub caij nplooj zeeg. … Tsuas yog 2 feem pua ntawm kev raug mob los ntawm teeter-totters.
Seesaws txaus ntshai li cas?
Seesaws, tshwj xeeb tshaj yog cov qauv qub uas ua los ntawm cov ntoo, tuaj yeem ua rau tailbone thiab txha caj qaumlossis, tsawg dua, ua rau menyuam yaus poob thiab tawg, lossis sib tsoo thaum dismounting.
Puas yog lawv tseem muaj teeter totters?
Tsuas yog vim muaj me nyuam coob zuj zus tuaj lawm, teeters totters tsis nrov li yav tas los. Lawv tseem nyob ntawm qee qhov chaw ua si qub, tab sis koj tsis tshua pom lawv nyob tom qab lawm. Qhov ntawd yog qhov txaj muag vim tias, raws li kev siv kom raug, lawv yog txoj hauv kev zoo tshaj plaws kom muaj kev lom zem yooj yim sab nraud.
Puas yog teeter totters thiab pom tib yam?
Nyob hauv teb chaws As Mes Lis Kas feem ntau, a seesaw kuj hu ua "teeter-totter" … lub rooj viav vias, uas ob tug me nyuam zaum ntawm ib sab thiab lub teeter-totter swings rov qab mus rau hauv lub pendulum motion.
Vim li cas ho tsis muaj saws lawm?
Cov qub siab siab hauv hav zoov gyms thiab swb ploj los ntawm cov chaw ua si Asmeskas feem ntau thoob plaws lub tebchaws nyob rau xyoo tsis ntev los no vim yog kev txhawj xeeb ntawm niam txiv, tsoomfwv cov lus qhia, cov qauv kev nyab xeeb tshiab tsim los ntawm cov tuam txhab thiab - qhov feem ntau hais txog - ntshai kev foob.