Koj puas tau muaj lus nug txog huab hwm coj lossis yuav nrhiav qhov hnyav ntawm qhov khoom nws tus kheej li cas? Zoo, nqes mus rau Kauj Ruam 1 kom pom qhov hnyav ntawm ib yam khoom yam tsis siv lub ntsuas los ntsuas qhov khoom.
Cov kauj ruam
Txoj Kev 1 ntawm 3: Nrhiav Qhov hnyav Los Ntawm Ntim
Kauj Ruam 1. Txheeb xyuas qhov ntim ntawm qhov khoom
Cia peb hais tias koj muaj lub voos xwmfab nrog qhov ntev ntawm 10x10x10. Qhov ntim yuav yog 1000.
Kauj Ruam 2. Siv cov mis sib npaug sib npaug ntom ntim ntim
Qhov no xav kom koj paub qhov ntom ntom ntawm cov khoom. Yog tias cov khoom yog dej, piv txwv li, koj paub tias nws muaj qhov ntom ntom ntawm 1 gram ib cubic centimeters. Yog li rau qhov ntim dej ntawm 1000 cc, qhov hnyav yog 1000 grams.
Kauj Ruam 3. Paub qhov ceev ntawm cov teeb meem sib txawv:
- Kub - 19.32
- Ua - 11.3437
- Nyiaj - 10.5020
- Tooj liab - 8.5 txog 8.8
- Hlau - 7.9
- Hlau - 7.4 txog 7.7
- Txhuas - 2.7
- Limestone 2.6 txog 2.8
- Iav - 2.4 txog 2.8
- Cib - 1.4 rau 2.2
- Qhob - 2.2 txog 2.5
- Dej khov - 0.9
- Yog ' - 0.9
- Pinewood - 0.5 hli
- Mercury - 13.543
- Dej hiav txwv - 1.03
- Dej - 1.0
- Roj av - 0.85
Txoj Kev 2 ntawm 3: Nrhiav Qhov hnyav Los Ntawm Lub Cev Muaj Zog
Nco ntsoov tias txoj hauv kev no tsuas yog siv los ntawm cov neeg ya saum ntuj los ntsuas lub dav hlau. Qhov no yuav tsis ua haujlwm hauv lub neej txhua hnub, vim tias kev tawm tsam muaj nyob txhua qhov chaw.
Kauj Ruam 1. Txheeb xyuas qhov khoom nrawm
Kauj Ruam 2. Txheeb tawm qhov hnyav los ntawm kev quab yuam
Ua qhov no los ntawm kev faib qhov nrawm los ntawm kev quab yuam ua haujlwm (los ntawm Newton txoj cai thib ob: quab yuam sib npaug rau lub sijhawm ua kom nrawm).
Piv txwv li, yog tias lub voos xwmfab muaj qhov nrawm ntawm 1000 millimetres ib pliag thib ob (ib txwm ntsuas hauv millimetres) thiab lub zog ua haujlwm yog 2 kilograms millimeters ib ob thib ob, ces lub voos xwmfab yuav tsum hnyav 2 grams
Txoj Kev 3 ntawm 3: Nrhiav Qhov hnyav nrog Xuas Tes Ua Haujlwm
Kauj Ruam 1. Sib npaug qhov sib npaug nrog lub teeb, lub khob zoo ib yam ntawm ob qho kawg
Qhov no tuaj yeem yog tus pas ntsuas sib npaug ntawm cov khoom, lossis txoj hlua hla qee yam nrog kev sib txhuam me me nrog khob khi ntawm ob qho kawg.
Kauj Ruam 2. Muab cov khoom tso rau ntawm ib kawg, thiab sau lwm lub khob nrog cov dej ntshiab kom txog thaum nws sib npaug nrog cov khoom
Yog tias lub teeb pom kev hnyav dhau los nrhiav qhov hnyav li no, koj yuav tsum txo qis kev sib txhuam ntawm lub tshuab nqa lossis ntawm lub tshuab ua kom puv, lossis siv cov khoom hnyav dua rau qhov sib npaug thiab khob.
Kauj Ruam 3. Ntsuas qhov ntim ntawm cov dej sib piv, thiab hloov mus rau milliliters
Qhov ntim hauv milliliters yog tib yam li qhov hnyav hauv grams.
Lub tswv yim
- Thaum ntsuas ib qho khoom, nco ntsoov nrhiav lub ntim kom raug. Tsis muaj kev txiav luv.
- Koj tuaj yeem ntsuas qhov ntim los ntawm kev muab cov khoom tso rau hauv dej. Xyuas kom nws npog dej. Ntsuas qhov ntim ntawm cov dej thawb tawm, thiab qhov ntawd sib npaug rau qhov ntim ntawm cov khoom.
