2-30. Three cables pull on the pipe such that they createa resultant force having a magnitude of 900 lb. If two ofthe cables are subjected to known forces, as shown in thefigure, determine the direction @ of the third cable so thatthe magnitude of force F in this cable is a minimum. Allforces lie in the x-y plane. What is the magnitude of F?Hint: First find the resultant of the two known forces.600 lb400 Ib

First make the free body diagram as shown below,

2-30. Three cables pull on the pipe such that they create a resultant force having a magnitude of 900 lb. If two of the cables are subjected to known forces, as shown in the figure, determine the direction e of the third cable so that the magnitude of force F in this cable is a minimum. All forces lie in the x-y plane. What is the magnitude of F? Hint: First find the resultant of the two known forces. 600 lb 400 lb

2-30. Three cables pull on the pipe such that they create a resultant force having a magnitude of 900 lb. If two of the cables are subjected to known forces, as shown in the figure, determine the direction e of the third cable so that the magnitude of force F in this cable is a minimum. All forces lie in the x-y plane. What is the magnitude of F? Hint: First find the resultant of the two known forces. 600 lb 400 lb

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter1: Introduction To Statics

Section: Chapter Questions

Problem 1.48P: The pole OB is subjected to the 6004b force at B. Determine (a) the rectangular components of the...

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Question

2-30. Three cables pull on the pipe such that they create
a resultant force having a magnitude of 900 lb. If two of
the cables are subjected to known forces, as shown in the
figure, determine the direction @ of the third cable so that
the magnitude of force F in this cable is a minimum. All
forces lie in the x-y plane. What is the magnitude of F?
Hint: First find the resultant of the two known forces.
600 lb
400 Ib

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