The moment of a force

• A. is the turning effect produced by a force, on the body, on which it acts
• B. is equal to the product of force acting on the body and the perpendicular distance of a point and the line of action of the force
• C. is equal to twice the area of the traingle, whose base is the line representing the force and whose vertex is the point, about which the moment is taken
• D. all of the above