Two vectors and lie in the -plane

PHYSICS · Single correct · CBSE · Physics · Motion in a Plane · Motion in a Plane

Problem

Two vectors

\mathbf{P}

and

\mathbf{Q}

lie in the

xy

-plane. If

P_x=-Q_x

but

P_y\neq-Q_y

, the resultant

\mathbf{R}=\mathbf{P}+\mathbf{Q}

will be (a) Directed along the

x

\,-axis (b) Directed along the

y

\,-axis (c) Of zero magnitude (d) Inclined at

45^{\circ}

to the

x

\,-axis