ECOR 1101 Study Guide - Final Guide: Rigid Body, Statics

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Calculus d d sin = cos ; Xndx = xn+1 d dx xn = nxn 1 d d cos = sin ; n+1 + constant x + a2. A = a2 y + a2 z ua = ax. A j + az ua = cos( )i + cos( )j + cos( )k ua = sin( ) cos( )i + sin( ) sin( )j + cos( )k. Fa = f ua rb/a = (xb xa)i + (yb ya)j + (zb za)k. = (aybz azby)i (axbz azbx)j + (axby aybx)k. Vector formulation: mo = r f = Moment of a force about a speci ed axis: Maa = uaa. (r f) = j ry k i rx rz. Fx fy fz ux uy uz rx rz. Fr = f (mr)o = m + mo. Fx = 0; fy = 0; fz = 0. Ecor 1101-mechanics i: sections b, c, d & e. Fx = 0; fy = 0; mo = 0.