At a point in a vertical cross-section of a beam there is a resultant stress of 75 MN/m2 , which is inclined upwards at 35° to the horizontal. On the horizontal plane through the point there is only shearing stress. Find in magnitude and direction, the resultant stress on the plane which is inclined at 40° to the vertical and 95° to the resultant stress.

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Stress transformation

The term stress indicates the measure of internal forces that develop due to an external force's application on an object. When a specific external force is applied to an object, internal stress generates in the material. The value of stress can obtain by taking the ratio of the externally applied force and cross-sectional area of the object. There are different types of stress depending on the type of external force.