A flat-screen television is mounted on the wall of a room using bracket ABC, which is fi...

A flat-screen television is mounted on the wall of a room using bracket ABC, which is fixed in position. For comfortable viewing, the television may be rotated about line AB. For the direction given below for the 20N force at point D, determine the moment of this force about line AB. Note: For the coordinates of point D given, the top and bottom edges of the television are not parallel to the x axis.

The 20N force has the direction angles