A bolt and washer are used to fasten a wooden board to a concrete foundation as shown in F...

A bolt and washer are used to fasten a wooden board to a concrete foundation as shown in Figure. A tensile force of 385 lb is created in the bolt as it is tightened. Compute the bearing stress

(a) between the bolt head and the steel washer, and

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(b) between the washer and the board.

Figure:

                             

                       FIGURE Bolt and washer for Problem.