A 300-M Rod Is Pivoted About Its Left End

Multiple Choice

A 3.00-m rod is pivoted about its left end.A force of 7.80 N is applied perpendicular to the rod at a distance of 1.60 m from the pivot causing a ccw torque,and a force of 2.60 N is applied at the end of the rod 3.00 m from the pivot.The 2.60-N force is at an angle of 30.0^o to the rod and causes a cw torque.What is the net torque about the pivot? (Take ccw as positive. )

A) 16.4 N·m
B) -8.58 N·m
C) 8.58 N·m
D) -16.4 N·m
E) 4.68 N·m