Use the law of sines and the law of cosines, in conjunction with sketches of the force triangles, to solve the following problems. Determine the magnitude of the resultant R and the angle 6 between the x-axis and the line of action of the resultant for the following: 170 N 210 N 12
Use the law of sines and the law of cosines, in conjunction with sketches of the force triangles, to solve the following problems. Determine the magnitude of the resultant R and the angle 6 between the x-axis and the line of action of the resultant for the following: 170 N 210 N 12
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
Expert Solution
Step 1
Calculate the angle ϕ and β that the forces make with the horizontal from the given figure.
Step 2
Draw the force triangle from the law of vector addition.
From the cosine rule applied for the force triangle,
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