When the Vector Sum of Three Co-Planar Forces

question 92

Multiple Choice

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 .

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