6-85. The three power lines exert the forces shown on the truss joints, which in turn are pin-connected to the poles AH and EG. Determine the force in the guy cable AI and the pin reaction at the support H. 20 ft -40 ft--40 ft- 800 lb 800 lb, 800 lb -50 ft-30 ft-30 ft D 30 20 ft f30 ft- ft-30 E 20 ft ft-50 ft- 125 ft

6-85. The three power lines exert the forces shown on the truss joints, which in turn are pin-connected to the poles AH and EG. Determine the force in the guy cable AI and the pin reaction at the support H. 20 ft -40 ft--40 ft- 800 lb 800 lb, 800 lb -50 ft-30 ft-30 ft D 30 20 ft f30 ft- ft-30 E 20 ft ft-50 ft- 125 ft

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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Concept explainers

Free Body Diagram

The system of forces acting on a body tends to either rotate it or make the body undergo motion. In general, when an external agent exerts a force on a body, the body undergoes translational motion and rotational motion. The body has six degrees of freedom under the influence of that force. Here, three degrees of freedom are from the translational motion while the other three are from the rotation motion. However, sometimes the bodies are not allowed to undergo any motion and are fixed, under such conditions the body is said to be constrained.

Question

6-85.
The three power lines exert the forces shown on the truss
joints, which in turn are pin-connected to the poles AH and
EG. Determine the force in the guy cable AI and the pin
reaction at the support H.
20 ft
D
B
-40 ft--40 ft-
800 lb
800 lb
H
800 lb
-50 ft-30 ft--30
20 ft
-30 ft-30 ft-30 ft-30 ft
30 ft-30
20 ft
ft-50 ft-
125 ft

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