Tsis yog, cov khoom hnyav dua poob sai (los yog qeeb) raws li cov khoom sib zog, yog tias peb tsis quav ntsej cov huab cua sib txhuam. Kev sib txhuam huab cua tuaj yeem ua qhov sib txawv, tab sis nyob rau hauv txoj kev nyuaj. Lub gravitational acceleration rau tag nrho cov khoom yog tib yam. 3) Cov khoom tuab npaum li cas.
Vim li cas cov khoom hnyav dua poob sai?
Zoo, nws yog vim huab cua muaj zog tiv thaiv ntau dua rau kev poob ntawm plaub dua li nws ua rau lub cib. … Galileo nrhiav pom tias cov khoom uas tuab dua, lossis muaj ntau dua, poob ntawm qhov nrawm dua li cov khoom ntom ntom, vim qhov no air resistance
Qhov twg yuav ntaus hauv av ua ntej ib qho hnyav lossis lub teeb?
Ib lo lus, yog tias ob yam khoom loj tib yam tab sis ib qho hnyav dua, qhov hnyav dua muaj qhov ntom ntom dua li cov khoom sib dua. Yog li ntawd, thaum ob yam khoom poob los ntawm tib qhov siab thiab tib lub sijhawm, cov khoom hnyav duayuav tsum ntaus hauv av ua ntej lub sib dua.
Puas qhov khoom hnyav dua yob nrawm dua?
Koj yuav tsum pom tias ib yam khoom yuav ib txwm dov rau hauv txoj kab nrawm dua li cov khoom khoob ntawm tib lub cev (sphere lossis lub tog raj kheej)-tsis hais txog lawv qhov loj lossis txoj kab uas hla.. Qhov no yuav tuaj raws li qhov xav tsis thoob lossis tawm tsam qhov tshwm sim! … (Nws muaj tib txoj kab uas hla, tab sis hnyav dua li qhov khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob.)
Yuav ua li cas cov khoom sib dua lossis hnyav dua txav nrawm dua?
Tsis yog, cov khoom hnyav dua poob sai (los yog qeeb) raws li cov khoom sib zog, yog tias peb tsis quav ntsej cov huab cua sib txhuam. Kev sib txhuam huab cua tuaj yeem ua qhov sib txawv, tab sis nyob rau hauv txoj kev nyuaj. Lub gravitational acceleration rau tag nrho cov khoom yog tib yam. 3) Cov khoom tuab npaum li cas.
