2-29. Three chains act on the bracket such that they create a resultant force having a magnitude of 500 Ib. If two of the chains are subjected to known forces, as shown, determine the orientation e of the third chain, measured clockwise from the positive x axis, so that the magnitude of force F in this chain 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. Force Facts in this direction. 300 lb 200 1b

2-29. Three chains act on the bracket such that they create a resultant force having a magnitude of 500 Ib. If two of the chains are subjected to known forces, as shown, determine the orientation e of the third chain, measured clockwise from the positive x axis, so that the magnitude of force F in this chain 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. Force Facts in this direction. 300 lb 200 1b

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Concept explainers

Moments

There are various practical applications of the concept of moments, like a rotation of the crank due to linear motion of the piston, the moment of inertia and its use in designing beams and columns, bending moment concept, torque, twisting moment, etc.

Question

2-29. Three chains act on the bracket such that they
create a resultant force having a magnitude of 500 lb. If
two of the chains are subjected to known forces, as shown,
determine the orientation e of the third chain, measured
clockwise from the positive x axis, so that the magnitude
of force F in this chain is a minimum. All forces lie in the
300 lb
x-y plane. What is the magnitude of F? Hint: First find
the resultant of the two known forces. Force Facts in this
direction.
30°
200 Ib

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