If component of one vector in the direction of another vector is zero, then those two vectors

If the component of one vector in the direction of another vector is zero, then those two vectors are _______

If the component of one vector in the direction of another vector is zero, then those two vectors are _______

Direction of zero vector

Represent component of one vector along the direction of the other vector pictorially.

The vector product of two non-zero vector is zero

Show that the projection or component of a vector vecR on another vector vecA is vecR*hata , where hata is a unit vector along vecA .

The scalar triple product of vectors is zero if______a)One of the vectors is zero vectors b)Any two vectors are non-collinear c)Three vectors are non-coplanar d)All of the above

Is it necessary to mention the direction of a vector having zero magnitude?

The rectangular components of a vector are (2,2) . The corresponding rectangular components of another vector are (1,sqrt(3)) . Find the angle between the two vectors.