Physics

Physics

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

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