c.) Determine the magnitude of the moment of force F about line AB (N-mm).

M_z =

c.) Determine the moment vector produced by the 400 N force about point A (N-m). M_x = 

r_AC_y = 

M_A_y = 

Problem 1 (40 pts) The massless bar AB has a cable attached to one of its ends and a fixed collar at its other end.  The collar has a square hole that fits loosely around a fixed square rod at point A, allowing it to slide without friction. There are two external forces acting on the bar as shown.  The 400 N force is parallel to the z axis and the 200 N force if parallel to the y axis. a.) Carefully draw a free body diagram of the bar AB. b.) Determine a unit vector that is in the direction BC. u_BC_x =

u_BC_y =

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