Koj puas paub tias kev tiv thaiv kev cuam tshuam yog dab tsi?
Nws yog hais txog cov khoom siv uas ruaj khov thiab tiv taus tau lub zog hnyav lossis kev co uas siv rau nws. Nws yog ib qho cim qhia tseem ceeb ntawm lub neej ntawm cov khoom siv nyob rau hauv ib puag ncig thiab qhov kub thiab txias.
Rau qhov cuam tshuam tsis kam ntawm iav vaj huam sib luag, muaj qib IK los txhais nws cov kev cuam tshuam sab nraud.
Nov yog tus qauv los xam qhov cuam tshuam J yogE=mgh
E - qhov cuam tshuam tsis kam; Chav J (N * m)
m - qhov hnyav ntawm lub pob zeb; Chav tsev kg
g - qhov kev nrawm nrawm ntawm lub ntiajteb txawj nqus; Chav 9.8m/s2
h - qhov siab thaum poob; Chav m
Rau lub iav vaj huam sib luag nrog tuab ≥3mm tuaj yeem dhau IK07 uas yog E = 2.2J.
Ntawd yog: 225g pob hlau poob los ntawm 100cm qhov siab mus rau qhov chaw iav yam tsis muaj kev puas tsuaj.
Saida Glasssaib xyuas txhua yam ntsiab lus uas cov neeg siv khoom thov thiab nrhiav qhov kev daws teeb meem zoo tshaj plaws rau koj qhov project.
Lub sijhawm tshaj tawm: Tsib Hlis-20-2020