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UNIT VI, DYNAMICS OF RIGID BODY, RIGID BODY - A rigid body, is defined as, aystem of, pairs of pasticdes rerrain, particdes in, a, which, the distances, between, all, flaxed throughout the, motion., Tij : Constant, A rigid body wil not undergo ang change of, Shape or size due, the applicahon of ezternal forces. If they do so,, be deformed., to, then the, body, is said to, ROTATIONAL KINEMATIC, RELATIONS -, Azis of Rotabon, rigid body Totate about a, its posihon, Let, a, fixed azis YY'. At t=0, be Po, At t= t,, its posiion is P., in positon of particle, is called angular, The, change, from . to P, displacement 0., ANGULAR, VELOCITY -, The, change, in angular y, displacement in unit time interval is called, |" Angular Vedocity"., at, at, At →o, lim, At >o At, O = do, dt, The rate of change, of angular velociy, acceleration, ANGULAR ACCELERATION, angular, is called, dang, At, [DYNAMICS OF RIGID BODY] I PRASHANT KHARE ([email protected]), 1