PEARSON ETEXT ENGINEERING MECH & STATS
15th Edition
ISBN: 9780137514724
Author: HIBBELER
Publisher: PEARSON
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Textbook Question
Chapter 2, Problem 71P
Specify the magnitude and coordinate direction angles α1, β1, γ1, of F1 so that the resultant of the three forces acting on the bracket is FR = {−350k}lb. Note that F1 lies in the x-y plane.
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Find the magnitude and direction of the resultant force if F1 = 100 N at 30 deg N of E and F2 = 80 N at 45 deg N of W.
F₂= 200 lb
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F3=400 lb
30°
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Specify the magnitude and coordinate direction angles α₁, B₁, Y₁ of F₁ so that the resultant of the
three forces acting on the bracket is FR = {-350k} . Note F3 lies on the x-y plane.
Find the resultant force vector,R, of the three vectors A,B, and C (i.e., add the vectors), if the magnitude of vector A is 10N, the magnitude of vector B is 17N, and the magnitude of vector C is 9N. Your answer should be in the form R = Rx i+ Ry j,
where you determine Rx and Ry, and where i, and j are the unit vectors along the x, and y axis, respectively.
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A
60°
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Chapter 2 Solutions
PEARSON ETEXT ENGINEERING MECH & STATS
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