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 8.3, Problem 51P
Three forces are applied to the machine component ABD as shown. Knowing that the cross section containing point H is a 20 × 40-mm rectangle, determine the principal stresses and the maximum shearing stress at point H.
Fig. P8.51
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PROBLEM 8.40
A thin strap is wrapped around a solid rod of radius c= 20 mm as shown.
Knowing that I = 100 mm and F = 5 kN, determine the normal and
shearing stresses at (a) point H, (b) point K.
o = 79.6 MPa
T=7.96 MPa
O =0
T=13.26 MPa
Problem 4
The steel pipe AB has a 102-mam outer diameter and a 6-mm wall thickness.
Knowing that arm CD is rigidly attached to the pipe, determine the principal stresses
and the maximum shearing stress at point K. And then show stress on Mohr's circle.
200 mm
6 mm
B
H
D
51 mm
150 mm
x
1.4 kN - m
PROBLEM 8.43
A 10-kN force and a 1.4-kN - m couple are applied at the top of the 65-mm
diameter brass post shown. Determine the principal stresses and maximum
shearing stress at (a) point H, (b) point K.
10 kN
240 mm
Omax = 30.0 MPa
O min =-30.0 MPa
Tmax = 30.0 MPa
Omax = 7.02 MPa
Omin =-96.0 MPa
Tmay =51.5 MPa
Chapter 8 Solutions
Mechanics of Materials, 7th Edition
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