1 m 1 m 30° b. 0.5 m 0.5 m b 1m -75 mm-
Mechanics of Materials (MindTap Course List)
9th Edition
ISBN:9781337093347
Author:Barry J. Goodno, James M. Gere
Publisher:Barry J. Goodno, James M. Gere
Chapter8: Applications Of Plane Stress (pressure Vessels, Beams, And Combined Loadings)
Section: Chapter Questions
Problem 8.3.2P
Related questions
Question
![1 m
1 m
1 m
b
B
30°
0.5 m 0.5 m
b
-1m
75 mm-
75 mm
A
25 mm
Section b-b
Figure 3 (not to scale)
A drum is suspended from the wooden frame ABC as shown in Figure 3. The mass
of the drum is 20 kg. The frame ABC is supported by the 2 mm diameter, A-36 steel
cable DB and by a pin support at A. You are required to:
a
Calculate all the internal forces acting at the cross section b-b and in cable BD.
b Calculate the orientation of the plane and the magnitude of the maximum in-
plane shear stress at point F, on section b-b, and represent this condition using a
stress element.
с
Determine the factor of safety (F.S.) of the cable BD for this loading based on the
maximum-distortion energy theory (von Mises).](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd826134e-8e82-41a2-a3d0-09c733d7ba34%2F9e66d2f9-7167-4bdc-925c-a55c2afa8240%2F83du4ni_processed.png&w=3840&q=75)
Transcribed Image Text:1 m
1 m
1 m
b
B
30°
0.5 m 0.5 m
b
-1m
75 mm-
75 mm
A
25 mm
Section b-b
Figure 3 (not to scale)
A drum is suspended from the wooden frame ABC as shown in Figure 3. The mass
of the drum is 20 kg. The frame ABC is supported by the 2 mm diameter, A-36 steel
cable DB and by a pin support at A. You are required to:
a
Calculate all the internal forces acting at the cross section b-b and in cable BD.
b Calculate the orientation of the plane and the magnitude of the maximum in-
plane shear stress at point F, on section b-b, and represent this condition using a
stress element.
с
Determine the factor of safety (F.S.) of the cable BD for this loading based on the
maximum-distortion energy theory (von Mises).
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