Physics

Problem

Body P pulls body Q with a force of

12\,\text{N}

directed at an angle of

30^{\circ}

above the positive

x

-axis in the

x

–

y

plane. Express the force exerted by Q on P in unit-vector form using

\hat i

and

\hat j

. (Take

\cos30^{\circ}=\sqrt{3}/2

and

\sin30^{\circ}=1/2