8-5 A Cubic aluminum block with side-length 10mm is subjected to a uniformly distributed force F-5kN (scc figure). Knowi

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8 5 A Cubic Aluminum Block With Side Length 10mm Is Subjected To A Uniformly Distributed Force F 5kn Scc Figure Knowi 1 (30.39 KiB) Viewed 27 times

8-5 A Cubic aluminum block with side-length 10mm is subjected to a uniformly distributed force F-5kN (scc figure). Knowing that the Poisson ratio of aluminum is 41-0.33. Determine the principal stresses at any point of the aluminum block for the following situations. (1) There are no constrains in the x and a directions, figure (a). (2) Put the aluminum block into a rigid block groove, and there are no space between the two sides of the block and the inner walls of the block groove, figure (b). (3) Put the aluminum block into a rigid square groove, and there are no space between the four sides of the block and the inner walls of the block groove, figure (c). M ib) (c)