Answer to Question #172493 in Physics for Diocos

Question

Calculate the torque about the z-axis that is out of the page at the origin in the following figure, given that F₁=4N, F₂=3N, F₃=4N, F₄=2N

Answer 1

$$\tau=(4)(3)+(2)(2)\cos{20}+(4)(0)-(3)(2)\sin{30}\\\tau=12.76\ Nm$$