A coordinate system (in meters) is constructed on the surface of a pool table, and three objects are placed on the table as follows: a 4.0 kg object at the origin of the coordinate system, a 5.0 kg object at (0, 2.0), and a 9.0 kg object at (4.0, 0). Find the resultant gravitational force exerted by the other two objects on the object at the origin.
magnitude = ? N
direction = ? °
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