Mechanics of Materials
11th Edition
ISBN: 9780137605460
Author: Russell C. Hibbeler
Publisher: Pearson Education (US)
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Textbook Question
Chapter 5.3, Problem 11P
The assembly consists of two sections of galvanized steel pipe connected together using a reducing coupling at B. The smaller pipe has an outer diameter of 0.75 in. and an inner diameter of 0.68 in., whereas the larger pipe has an outer diameter of 1 in. and an inner diameter of 0.86 in. If the pipe is tightly secured to the wall at C, determine the maximum shear stress in each section of the pipe when the couple is applied to the handles of the wrench.
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1. The assembly consists of two sections of galvanized steel pipe connected together using a reducing
coupling at B. The smaller pipe has an outer diameter of 20 mm and an inner diameter of 18 mm,
whereas the larger pipe has an outer diameter of 25 mm and an inner diameter of 20 mm. If the pipe is
tightly secured to the wall at C, determine the maximum shear stress developed in eah section of the
pipe when the couple shown is applied to the handles of the wrench.
B
75 N
150 mm
200 mm
75 N
0-13. The assembly consists of two sections of galvanized
steel pipe connected together using a reducing coupling at B.
The smaller pipe has an outer diameter of 18.75 mm and an
inner diameter of 17 mm, whereas the larger pipe has an outer
diameter of 25 mm and an inner diameter of 215 mm. If the
pipe is tightly secured to the wall at C, determine the maximum
shear stress developed in cach section of the pipe when the
couple shown is applied to the handles of the wrench.
75 N
75 N
The yoke-and-rod connection is subjected to a tensile force P. The end of the 40-mm
diameter rod is embedded inside a wall at a length I of 100 mm using epoxy adhesive. If
the allowable normal stress for the rods is 60 MPa, the allowable shear stress for the 25-
mm diameter pin A is 50 MPa, and the allowable shear stress of the epoxy adhesive is 6
MPa, determine the largest force P that can be applied to the assembly.
Note: Show your calculations for all types of stresses in detail.
40 mm
30 mm
A
25 mm
P.
Chapter 5 Solutions
Mechanics of Materials
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