Problem 2-26 & 2-27 Determine magnitude & direction θ of FA & Resultant force acting on ring at O 

This video explains in detail the solution to Problem 2-26 and Problem 2-27 in the Chapter of Force Vectors from the book Engineering Mechanics: Statics by R.C. Hibbeler 15th Edition. In Problem 2-26, the magnitude and direction of Fa force are calculated when the direction and magnitude of the resultant force are given. However, in Problem 2-27, the resultant and magnitude of the resultant force is calculated when the magnitude and direction of the forces acting at O is given.
Statement of Problem 2-26 is as follows:
Determine the magnitude and direction θ of FA so that the resultant force is directed along the positive x-axis and has a magnitude of 1250 N.
Statement of Problem 2-27 is as follows:
Determine the magnitude of the resultant force acting on the ring at O, if FA = 750 N and θ = 45°. What is its direction, measured counterclockwise from the positive x-axis?
The solution to Problem 2-26 & 2-27 is available in PDF and can be obtained on request at solved.civil@gmail.com.
Reference: Chapter No. 2 Force Vectors, Engineering Mechanics Statics by R.C. Hibbeler 15th Edition.
For an explanation of any Problem, the request can be made at solved.civil@gmail.com.
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