Siab yog tus nqi ntawm lub zog exerted perpendicular rau saum npoo ntawm ib yam khoom, ib chav tsev. Ntawd yog, P = F / A, los ntawm qhov uas nws pom tseeb tias thaj tsam me me ntawm kev ntxhov siab lossis lub zog muaj zog txhawb nqa kev siv zog. Cov kua / kua thiab roj kuj tuaj yeem siv lub siab thiab ...
Thaum tshav kub kub dab dej feem ntau siv hauv cov khoom siv hluav taws xob kom dissipate tshav kub lub zog, ua kom cov khoom siv txias txias kom txias. Thaum tshav kub kub dab dej fins yog ua los ntawm cov hluav taws xob conductive hlau thiab siv nyob rau hauv high kub ntaus ntawv absorbing nws tshav kub zog thiab ces emit rau ambience v ...