Question: (Continue from Questions 1 and 2 above.) The stress tensor at a point in a body is given by the following matrix with reference

(Continue from Questions 1 and 2 above.) The stress tensor at a

(Continue from Questions 1 and 2 above.) The stress tensor at a point in a body is given by the following matrix with reference 603 to X-y-Z coordinates, 0-50ksi. 306 Which one of the following is the principal direction 1? a. 1 b. 1 1 2 C. 1 3 e.

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