Video: Lub ntsiab txhais ntawm kev ua haujlwm yog dab tsi?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
" Ua haujlwm yog hais tias yog ua tiav thaum ib qho khoom txav mus (tshem tawm) raws li kev coj ua ntawm kev siv dag zog." ORThe ua haujlwm txhais tau tias yog lub zog txav chaw.
Yog li ntawd, ua haujlwm li cas hauv physics txhais?
Ua haujlwm , hauv physics , kev ntsuas ntawm lub zog hloov hluav taws xob uas tshwm sim thaum ib qho khoom txav mus los ntawm qhov kev ncua deb los ntawm kev quab yuam lwm yam tsawg kawg yog ib feem ntawm qhov uas tau siv rau hauv cov kev taw qhia ntawm kev hloov chaw.
Tsis tas li ntawd, qhov piv txwv ntawm kev ua haujlwm hauv science yog dab tsi? Rau piv txwv , peb xav hais tias kom tau qhab nia zoo hauv tsev kawm ntawv yuav nyuaj heev " ua haujlwm ". Nyob rau hauv physics, theterm" ua haujlwm "muaj lub ntsiab lus tshwj xeeb. Ua haujlwm , hauv physics, tshwm sim thaum lub zog ua rau ntawm ib qho khoom txav nws deb ntawm qhov pib taw tes (tseem hu ua kev hloov chaw).
Tom qab ntawd, ua haujlwm thiab nws qhov piv txwv yog dab tsi?
Piv txwv ntawm ua haujlwm suav nrog kev nqa ib qho khoom tawm tsam tus Lub ntiaj teb gravitation, tsav lub tsheb nce toj, thiab rub ib tug captive helium balloon. Ua haujlwm yog amechanical manifestation ntawm lub zog. Cov standard unit ntawm ua haujlwm yog tus joule (J), sib npaug rau ib tug newton - meter(N.
Cov piv txwv ntawm kev ua haujlwm yog dab tsi?
Piv txwv ntawm kev ua haujlwm . (a) Cov ua haujlwm los ntawm lub zog ntawm no nyom mower yog. Nco ntsoov tias yog lub ntsiab lus ntawm lub zog nyob rau hauv kev coj ntawm kev txav. (b) Ib tug neeg tuav lub hnab ntawv tsis muaj ua haujlwm ntawm nws, vim muaj nodisplacement.
Pom zoo:
Lub luag haujlwm ntawm CDK yog dab tsi hauv lub cev ua haujlwm ntawm tes tshwj xeeb hauv lub voj voog ntawm tes?
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