An object is acted upon by a system of parallel forces causing the object to be in static equilibrium. Which of the following statements is not correct?

A. The resultant of the parallel force is zero  
B. the algebraic sum of the moment of the forces is zero
C. all the parallel forces must be equal in magnitude and in direction
D. the sum of the forces in one direction must be equal to the sum of forces in the opposite direction

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Correct Answer: A