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Which crack pictured in the figure below will most likely cause the material to fail? Why? HTML Editores BIVA-A-I E 331 XX, O
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Answer #1

The bigger crack will cause the material to fail.

Due to the cavity in the material, the effective area will reduce. Larger the cavity, lesser will be the effective resistance area and more will be the stress induced in the material.

Thus bigger crack reduces the resistance area, thereby increasing the stress induced i a body causing the material to fail.

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