Answered: Question 1 The 150 kg bucket is…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question 1
The 150 kg bucket is suspended from a cable on the wooden frame. The frame is supported by a pin at E (which is connected in double-shear) and reinforced by a strut BD and a steel cable CF as shown in Figure 1 (attachment). The effect of friction at joints and support, the self-weight of the frames, and the deformation of the cable are neglected.

(a) Sketch the free body diagram.
(b) Determine the internal force in cable CF and reaction forces at joint E.
(c) Determine the resultant internal loadings acting on section a-a.
(d) Determine the diameter of the pins at E if the allowable shear stress is τ_allow = 72 MPa.
The pin is subjected to double shear.

1.2 m
1.2 m
A
1.2 m
30°
D
150 kg
3.2 m
2.0 m
E
Figure 1
B.

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