physics
posted by cobra .
A 51.4 N force is applied to the outer edge of a door of width d = 2.72 m
a) Find the torque when the force acts perpendicular to the door.
N · m
(b) Find the torque when the force acts at an angle of è = 11.5° with respect to the door surface.
N · m
(c) Find the torque when the line of action of the force passes through the axis of the door hinges.

physics 
bobpursley
torque=force*2.72 give torque about hinges.
b. torque=force*2.72*sin11.5
c. zero.
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