A force has components and

MATHEMATICS · Subjective · A Level · Mathematics · Vectors · Vectors

Problem

A force has components

F_x = -12\,\text{N}

and

F_y = 5\,\text{N}

. Determine (a) the magnitude of the force and (b) the angle it makes, measured counter-clockwise from the

+x

-axis. Give the angle to the nearest degree.