1. A scalar quantity
2. Which of the following is a scalar?
3. If , then the angle between the vectors and is
4. When two vectors and having magnitudes a and b are added, the magnitude of the resultant vector
5. If two vectors and are such that the magnitude of their dot product is equal to magnitude of their cross product, the angle between the vectors is
6. A vector does not lie in the plane containing vectors and . If none of the vectors is a null vector, it follows that the sum of the three vectors
, then the angle between the vectors 
and 
is 
and 
having magnitudes a and b are added, the magnitude of the resultant vector 
and 
are such that the magnitude of their dot product is equal to magnitude of their cross product, the angle between the vectors is 
does not lie in the plane containing vectors 
and 
. If none of the vectors is a null vector, it follows that the sum of the three vectors 
