When the vector sum of three co-planar forces, , , and , is parallel to , we can conclude that and
A)must sum to zero.
B)must be equal and opposite.
C)must have equal and opposite components perpendicular to .
D)must have equal and opposite components parallel to .
E)must have equal and opposite components parallel and perpendicular to .

Question

When the vector sum of three co-planar forces,  ,  , and  , is parallel to  , we can conclude that  and 
A)must sum to zero. 
B)must be equal and opposite. 
C)must have equal and opposite components perpendicular to . 
D)must have equal and opposite components parallel to . 
E)must have equal and opposite components parallel and perpendicular to .

Quizplus · Accepted Answer

The Answer of When the vector sum of three co-planar forces,  ,  , and  , is parallel to  , we can conclude that  and 
A)must sum to zero. 
B)must be equal and opposite. 
C)must have equal and opposite components perpendicular to . 
D)must have equal and opposite components parallel to . 
E)must have equal and opposite components parallel and perpendicular to .

When the Vector Sum of Three Co-Planar Forces