Two Forces Produce Equal Torques on a Door About the Door

Multiple Choice

Two forces produce equal torques on a door about the door hinge.The first force is exerted at the midpoint of the door; the second force is applied at the doorknob.Both forces are exerted perpendicular to the door.Which force has a greater magnitude?

A) the first force (at the midpoint)
B) the second force (at the doorknob)
C) The two forces are equal.