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Question: stress matrix the direction of force 8 points the lecture...

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Stress matrix the direction of force, 8 Points) The lecture notes include only the positive directions of the stress components on the positive surfaces of the infinitesimally small cubic. In fact, there are always the corresponding reaction forces on the negative surfaces to develop a stress field. Draw the direction of each stress component on both positive and negative sur aces Of cubic according to the given signs in (a)_) (c) and (d) (2 un Derea( ), (+) and (-) indicate the positive and the negative stress values, respectively. Just draw the cubic, axes, and arrows. The length of arrow does not matter in this problem.)(-) 0 0 0 0 (+) 0 0 (-) Ơi-00 0 0

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