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Determine the normal stress at point D that acts perpendicular to the grains. Express your answer using three significant figures and include the appropriate units. Determine the normal and shear stresses at point D that act perpendicular and parallel, respectively, to the grains. The grains at this point make an angle of 30° with the horizontal as shown in the figure below. Point D is located just to the left of the force P 13.5 kN (Figure 1) o2,-1 Value Units Submit Previous Answers Request Answer X Incorrect; Try Again Figure 1 of 1 Part B Determine the shear stress at point D that acts parallel to the grains Express your answer using three significant figures and include the appropriate units. A 100 mm 30° TeyValue Units 300 mm 100 mm Submit Previous Answers Request Answer 100 mm

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