Two vectors in the plane have components and

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

Problem

Two vectors in the plane have components

(A_x, A_y)

and

(B_x, B_y)

. Which one of the following gives the

y

-component

R_y

of their resultant

\vec R = \vec A + \vec B

? (a)

R_y = \sqrt{A_y^{2}+B_y^{2}}

(b)

R_y = A_y - B_y

(c)

R_y = A_y + B_y

(d)

R_y = \dfrac{A_y+B_y}{2}