iPad 136 PM 97 Prelab 4 Attempt 1 QUESTION 6 1 points Save

iPad 1:36 PM * 97% Prelab 4: Attempt 1 QUESTION 6 1 points Save Answer Fracture mechanics is the science to determine whether cracks will a body under applied loading. in QUESTION 7 1 points Save Answer Stress cannot be used as a failure criterion for bodies with sharp cracks because stress at a crack tip OA approaches infinity OB. approaches zero ° C. is unpredictable 0 D. is constant QUESTION 8 1 points Save Answer A thinner specimen will fracture more easily than a thicker specimen of the same material. True False Click Save and Submit to save and submit. Click Save All Answers to save all answers Save All Answers Close Window Save and

Solution

6) Propagation. Fracture machanics means study of propagation of cracks in a body.

7) Option A is correct. Stress approaches to zero at crack tip

8) True. As the area is more for thicker it will crack slowly.