Question

A force of 100 N directed 30 degrees from negative y-axis in quadrant three can be presented by

Answer 1

A force of 100 N directed 30 degrees from negative y-axis in quadrant three can be presented by $x$ and $y$ components:

$$F_x=100\ N\cdot cos(270^{\circ}-30^{\circ})=-50\ N,$$ $$F_y=100\ N\cdot sin(270^{\circ}-30^{\circ})=-86.6\ N.$$