(a) perpendicular to the door
(b) at a 60.0° angle to the face of the door?
*note: Please explain this in the simplest terms possible for me. Thank you so much :)
Torque is force times radius. HOWEVER, that is the torque applied ...
This solution provides a brief explanation on how to calculate torque in relation to the direction of the radius. It also includes an attached .jpg diagram to enhance understanding.