Answered: The figure shows the Russel fracture…

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

The figure shows the Russel fracture traction device and a mechanical model of the leg. The leg is held in balance in the position indicated by the two weights attached to the two cables. The combined weight of the leg and the cast is W=210 N. The horizontal distance between points A and B where the cables are attached to the leg is L=100 cm and the vertical distance is d=6 cm. Point C is the center of gravity of the cast and leg at three quarters of the L measured from point A (3L/4= 75 cm). The angle that cable 2 makes with the horizontal is measured as β=33°. Accordingly, in order for the leg to remain in balance in the shown position;

a) Find the tensile force T1 in cable 1. (Write your result in N)

b) Find the tensile force T2 in cable 2. (Write your result in N)

c) Find the angle α of cable 1 with the horizontal.

T₁
ΟΥ
kg
W₁
A
1
A
L
3L/4
2
с в/в
с
W
B
kg
W₂
T2
B

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