Ib khub ntawm tweezers kuj yog piv txwv ntawm Third Class lever. Lub zog yog siv rau hauv nruab nrab ntawm cov tweezers uas ua rau muaj zog ntawm cov lus qhia ntawm cov tweezers. Lub fulcrum yog qhov twg ob halves ntawm tweezers koom ua ke.
piv txwv ntawm qib 3 qib yog dab tsi?
Nrog rau chav kawm thib peb, kev siv zog yog nruab nrab ntawm kev thauj khoom thiab cov fulcrum, piv txwv li hauv barbecue tongs. Lwm qhov piv txwv ntawm cov qib thib peb yog tus pas nrig, tus pas nuv ntses thiab woomera.
Yuav ua li cas lub tshuab yooj yim yog lub tweezers?
Tweezers yog chav 3 qib.
Qhov twg yog piv txwv ntawm qib 3 qib ?
Thib peb levers
Nyob rau hauv chav kawm thib peb, kev siv zog yog nruab nrab ntawm lub load thiab lub fulcrum. Qee qhov piv txwv ntawm qib peb qib suav nrog nuv ntses, kab civliv puav thiab chopsticks. Chav kawm thib peb yog qhov sib txawv ntawm cov qib qib thib ib thiab qib thib ob vim tias tsis yog kev sib tw quab yuam, lawv yog cov sib tw ceev.
Qhov twg yog Chav Kawm III levers?
Nyob hauv chav kawm 3 levers, lub fulcrum nyob ntawm ib kawg, lub load yog nyob rau lwm kawg, thiab lub dag zog muab tso rau hauv nruab nrab. … Tib neeg txhais caj npab yog chav kawm 3 qib: lub luj tshib yog lub fulcrum, cov leeg ntawm lub hauv pliaj yog kev siv zog, thiab qhov tuav ntawm tes yog lub nra.
