The 4.9-kN force F is applied at point A. a) Compute the moment of F about point O, expressing it…

The 4.9-kN force F is applied at point A. a) Compute the moment of F about point O, expressing it both as a scalar (positive if CCW, negative if CW) and as a vector quantity. b) determine the coordinates of the points on the x-and y-axes about which the moment of F is zero