Transformation of stress along the anticlockwise direction is given by the equation: x = ( x+ y)/2+( x- y)/2 cos2 + xysin2

nGiven that the principal stresses are 5Y & 9Y and shear stress is Y. If a plane is at 45 degrees anticlockwise from principal plane, find the value of the normal stress?

Transformation of stress along the anticlockwise direction is given by

1.	Transformation of stress along the anticlockwise direction is given by the equation: x = ( x+ y)/2+( x- y)/2 cos2 + xysin2
A.	nGiven that the principal stresses are 5Y & 9Y and shear stress is Y. If a plane is at 45 degrees anticlockwise from principal plane, find the value of the normal stress?
B.	4Y
C.	5Y
D.	8Y
E.	10Y
Answer» D. 8Y

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Transformation of stress along the anticlockwise direction is given by the equation: x = ( x+ y)/2+( x- y)/2 cos2 + xysin2

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Transformation of stress along the anticlockwise direction is given by the equation:
x = ( x+ y)/2+( x- y)/2 cos2 + xysin2