Mechanics of Materials, 7th Edition
7th Edition
ISBN: 9780073398235
Author: Ferdinand P. Beer, E. Russell Johnston Jr., John T. DeWolf, David F. Mazurek
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 1.2, Problem 25P
Knowing that θ = 40° and P = 9 kN, determine (a) the smallest allowable diameter of the pin at B if the average shearing stress in the pin is not to exceed 120 MPa, (b) the corresponding average bearing stress in member AB at B, (c) the corresponding average bearing stress in each of the support brackets at B.
Fig. P1.24 and P1.25
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Chapter 1 Solutions
Mechanics of Materials, 7th Edition
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- 5. The load P applied to a steel rod is distributed to a timber support by an annular washer. The diameter of the rod is 22 mm and the inner diameter of the washer is 25 mm, which is slightly larger than the diameter of the hole. Determine the smallest allowable outer diameter d of the washer, knowing that the axial normal stress in the steel rod is 35 MPa and the average bearing stress between the washer and the timber must not exceed 5 MPa. - 22 mmarrow_forward12 mm PROBLEM 1.9 Two horizontal 22 kN forces are applied to pin B of the assembly shown. Knowing that a pin of 20 45 mm 22 kN mm diameter is used at each connection, determine the maximum value of the 22 kN 12 mm A 60° average normal stress (a) in link AB (i.e. at A), and (b) in link BC (i.e. at section a-a). 45 mm 45° a a [Ans. (a) 107.3 MPa (b) -72.96 MPa] Fig. P1.9 lyparrow_forward1.26 part B thanksarrow_forward
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