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# (Solved): Consider a point in a structural member that is subjected to plane stress. Normal and shear stress m ...

Consider a point in a structural member that is subjected to plane stress. Normal and shear stress magnitudes acting on horizontal and vertical planes at the point are

S_(x)=105MPa,S_(y)=7MPa

, and

S_(xy)=70MPa

. Assume

\beta =53\deg

. (a) Draw Mohr's circle for this state of stress. (b) Determine the principal stresses and the maximum in-plane shear stress acting at the point. Show these stresses on an appropriate sketch (e.g., see Fig. 12.15 or Fig. 12.16). (c) Determine the normal stresses and the magnitude of the shear stress on the indicated plane and show these stresses on a sketch. (d) Determine the absolute maximum shear stress at the point. Part 1 Calculate the average normal stress and determine the radius of Mohr's Circle. Then draw Mohr's Circle for this state of stress. Answer:

\sigma _(avg)=

◻

MPa

R=

◻

MPa

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