Mekhanika - Tsentral Nye Sily I Ikh Polya, Moment Impul Sa, Variatsionnye Printsipy, Tochnaya Mekhanika, Stepeni Svobody (Russian, Paperback)

Istochnik: Wikipedia. Stranitsy: 27. Glavy: Tsentral nye sily i ikh polya, Moment impul sa, Variatsionnye printsipy, Tochnaya mekhanika, Stepeni svobody, Spisok momentov inertsii, Mekhatronika, Uglovaya skorost, Printsip Makha, Kineticheskaya energiya, Potentsial naya energiya, Mekhanicheskaya energiya, Shest stepenyei svobody, Tribologiya, Vychislitel naya mekhanika, Gidromekhanika, Potentsial naya yama, Brus, Mekhanicheskie prilozheniya troi nogo integrala, Inzhener-mekhanik, Prikladnaya mekhanika, Potentsial nyi bar er, Zakon dvizheniya, Optiko-mekhanicheskaya promyshlennost, Zakon sokhraneniya momenta impul sa, Aeromekhanika. Vyderzhka: Tsentral naya sila - prilozhennaya k material nomu telu sila, liniya dyei stviya kotoroi pri lyubom polozhenii tela na svoyei traektorii prokhodit cherez tochku, nazyvaemuyu tsentrom sily (tochka na Ris.1). Telo pri etom rassmatrivaet.sya kak dvizhushchayasya material naya tochka, a tsentr takzhe schitaet.sya material noi tochkoi, v prostyei shem sluchae fiksirovannoi v prostranstve. Primerami tsentral nykh sil yavlyayut.sya sily tyagoteniya i Kulona, napravlennye vdol linii, soedinyayushchyei tochechnye massy ili tochechnye zaryady. Tsentral nye sily vvodyat.sya pryeimushchestvenno dlya fizicheskikh sistem s sosredotochennymi parametrami (diskretnykh sistem), sostoyashchikh iz konechnogo chisla ob ektov, razmerami kotorykh mozhno prenebrech (material nykh tochek), ili protyazhe nnykh ob ektov s fiksirovannoi vnutrennyei strukturoi . Sistemy zhe s raspredele nnymi parametrami v obshchem sluchae ne poddayut.sya idyealizatsii v vide kontsentrirovannykh mass. Klassicheskaya fizika vvodit ponyatie polya tsentral noi sily dlya oblasti tre khmernogo prostranstva, v kotorom dyei stvuyut tsentral nye sily. Ris.1 K opredeleniyu tsentral noi sily: chastitsa v pole atomnogo yadra.(opyt Rezerforda)Dlya tsentral noi sily lyubogo proiskhozhdeniya vypolnyaet.sya sootnoshenie, svidetel stvuyushchyee o ravenstve nulyu moment...