(10) For a solid shaft having a radius R and second moment of area / subjected to a bending moment M. as shown in the fi

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10 For A Solid Shaft Having A Radius R And Second Moment Of Area Subjected To A Bending Moment M As Shown In The Fi 1 (33.94 KiB) Viewed 27 times

(10) For a solid shaft having a radius R and second moment of area / subjected to a bending moment M. as shown in the figure below, which of the following statements is incorrect for the criteria of material failure? M M MR MR (A) At the bottom surface of the shaft the maximum principal stress equals the bending stress 0x = B) According to the maximum principal stress theory, failure occurs when the bending stress at the bottom surface of the shaft, 0x = reaches Oy, where oy is the yielding stress of the shaft material. C) According to the maximum shear stress theory, failure occurs when the bending stress at the bottom surface of the shaft, 0x = reacheswhere Oy is the yielding stress of the shaft material. (D) At the bottom surface of the shaft the minimum principal stress equals zero. MR 1