The stress component in x-direction on a horizontal plane in Cartesian coordinates for horizontal line load is ___________

( _x= frac{2Qx^2 z}{ (x^2+z^2)^2} )

( _x= frac{2Q}{xzsin cos u2061 } )

( _x= frac{2Qxz^2}{ (x^2+z^2)^2} )

( _x= frac{2Qx^3}{ (x^2+z^2)^2} )

( _x= frac{2Qx^2 z}{ (x^2+z^2)^2} )

The stress component in x-direction on a horizontal plane in Cartesian

1.	The stress component in x-direction on a horizontal plane in Cartesian coordinates for horizontal line load is ___________
A.	( _x= frac{2Q}{xzsin cos u2061 } )
B.	( _x= frac{2Qxz^2}{ (x^2+z^2)^2} )
C.	( _x= frac{2Qx^3}{ (x^2+z^2)^2} )
D.	( _x= frac{2Qx^2 z}{ (x^2+z^2)^2} )
Answer» D. ( _x= frac{2Qx^2 z}{ (x^2+z^2)^2} )