Resolução de Força em Componentes e Sistema Força-Binário

Lod 3002 1252 325 mm Resolve the 195 kN force F at point D into x y and z components Fx 0 Fy 300325 195 18 kN 18 x 103 N Fz 125325 195 75 kN 75 x 103 N Determine the forcecouple system at the point on the yaxis where it intersects the plane containing elements H and K Fx 0 Fy 18 x 103 N Fz 75 x 103 N Mx 75 kN300 mm 100 mm 15 x 103 Nm My 75 kN150 mm 1125 x 103 Nm Mz 18 kN150 mm 27 x 103 Nm Properties of section Circle c ½ d 30 mm 30 x 103 m A π c2 π 302 28274 x 103 mm2 28274 x 103 m2 I π4 c4 π4 304 63617 x 103 mm4 63617 x 1012 m4 J π4 c4 π4 304 127235 x 106 mm4 127235 x 1016 m4 Semicircle Q 23 c3 23 303 18 x 103 mm3 18 x 106 m3 t d 60 mm 60 x 103 m