A Rod of Length L Is Pivoted About Its Left $\degree$

Multiple Choice

A rod of length L is pivoted about its left end and has a force F applied perpendicular to the other end.The force F is now removed and another force F' is applied at the midpoint of the rod.If F' is at an angle of 30 $\degree$ with respect to the rod,what is its magnitude if the resulting torque is the same as when F was applied?

A) F
B) 2F
C) 3F
D) 4F