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### quiz%207%20w08%20solution

Course: ENGIN 375, Spring 2008
School: Cincinnati
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375 ENFD BASIC STRENGTH OF MATERIALS QUIZ 7 The I beam shown is made by welding three plates together. I = 333.4 in4. If V = 120 kips, what is the shear stress in welds? Find the Q of the shaded area. 0.75in Q = ( 0.75in )( 6in ) 6in - = 25.31in3 2 (120k ) ( 25.31in3 ) VQ = = 18.2ksi = 4 It ( 333.4in ) ( 0.5in )

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375 ENFD BASIC STRENGTH OF MATERIALS QUIZ 7 The I beam shown is made by welding three plates together. I = 333.4 in4. If V = 120 kips, what is the shear stress in welds? Find the Q of the shaded area. 0.75in Q = ( 0.75in )( 6in ) 6in - = 25.31in3 2 (120k ) ( 25.31in3 ) VQ = = 18.2ksi = 4 It ( 333.4in ) ( 0.5in )
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Cincinnati - ENGIN - 375
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