Three forces A, B, C corresponding to three steel cables are acting on a joint, as shown. Force A=200N is described by (1) 0=45° which is a CCW rotation on the x-z plane from +x, and (2) an angle of depression d=55°. Force B=150N is on y-z plane; h = 2m and v = 5m. Force C = -100i-100j+100k N
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