A cable is connected at point A (1,2,3) and pulls towards point B (7,7,-1) the force in the cable is 100 pounds.
A) express the force in the cable as a vector
B)calculate the moment of the force about the origin and express it as a vector
C) calculate the moment about the x-axis
D)calculate the magnitude of the moment produced by the force about a line(axis) through (0,4,0) and (4,0,-4)