At a point, two forces act: directed above the positive -axis, and directed at from…

PHYSICS · Subjective · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

At a point, two forces act:

\vec F_1=40\,\text{N}

directed

60^{\circ}

above the positive

x

-axis, and

\vec F_2=30\,\text{N}

directed at

210^{\circ}

from the positive

x

-axis (angles measured anticlockwise). Calculate the magnitude and direction (angle with positive

x

-axis) of the additional force required so that the resultant force on the point is zero.