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692_Mechanics Homework Mechanics of Materials Solution

# 692_Mechanics Homework Mechanics of Materials Solution - *7...

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Unformatted text preview: *7 l 44 ._._\4 6.33 Two 20 x lOO-mm and two 20 X ISO-mm boards are glued together as shown lo PROBLEM 6'33 form a 120 x ZOO—mm box beam. Knowing that the beam is subjected to a venical 20 mm a‘ r- 100 mm *' A _ ,, . B at B. shear of 3.5 kN, determine the average shearing stress in the glued joint (a) at .4, (b) SOLUTION faaaoxzoo)’ — #(aomca‘ = 52. :13 Ho‘ m." = 52.;«3 x10“ am" (a) Q: (80}(20)(9o): MHOE m»? 10»... A - Hquto" m3 L- __J t“: (2)(2o\= you... = 0.040m 1’ = 19; : £3.5wlo‘XthIO") A I t... (52.6‘13xlo")(o_oq°) = 233x103 Pa. = 23°: k‘Pa. WA 'L__u__] (b3 Qa : (rzoxzomo) = 2:; w :o‘ m...“ L__ ta v mm = 40 mm : 0.090 p. 1 - VQa - (3.5xlo‘)(2|gwo"> 3 .. __ ‘ 3561M“?3 Pa = 3.5“! kPa. Its '(52.c-r\$x:o")(o.oqo) " C: L (J ...
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