Torque problem. answer plz!?

Question

A door requires a torque of 50Nm (for opening).Suppose you apply a force of 50N at a distance of 1m from the door hinges. But the door is still not moving!What is the reason?

(the door isn't locked nor it has any other problem of this sort. ok? I want a complete scientific answer)

Answer 1

broken lever.leverage x force&mass.