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The state of plane stress at a point on a body is represented by the element below.

Angle:	$\theta =$ 0 $^o$
Normal stress ($\sigma_x$):	$\sigma_x =$ 0 $MPa$
Normal stress ($\sigma_y$):	$\sigma_y =$ 0 $MPa$
Shear stress ($\tau_{xy}$):	$\tau_{xy} =$ 0 $MPa$