The vector sum of three co-planar forces
A) must be zero.
B) must be perpendicular to one of the three.
C) must be parallel to one of the three.
D) must be perpendicular to the plane.
E) may have any direction in the plane.

Question

Quizplus · Accepted Answer

The vector sum of three co-planar forces can result in a vector of any direction within the plane, depending on the magnitudes and directions of the individual forces.

The Vector Sum of Three Co-Planar Forces