A vector is not changed if _______.
A. It is rotated through an arbitrary angle
B. It is multiplied by an arbitrary scalar
C. It is cross multiplied by a unit vector
D. It is parallel to itself.
Answer:D
A vector is not changed if _______.
A. It is rotated through an arbitrary angle B. It is multiplied by an arbitrary scalar C. It is cross multiplied by a unit vector D. It is parallel to itself.