y (Figure is not drawn to scale) Determine the unit vector of a force vector F, where 01 30° (y axis to thin black line), c = 3, d = 4 %3D %3! and F 300 lb. j+ F=

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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100%
y
(Figure is not drawn to scale)
Determine the unit vector of a force vector F, where 01
30° (y axis to thin black line), c = 3, d = 4
%3D
%3!
and F
300 lb.
j+
F=
Transcribed Image Text:y (Figure is not drawn to scale) Determine the unit vector of a force vector F, where 01 30° (y axis to thin black line), c = 3, d = 4 %3D %3! and F 300 lb. j+ F=
Three forces are applied to a hook.
F1
y
5
4
F2
12
13
F3
Values for the figure are given in the following table. Note the figure may not be to scale.
Variable Value
F
30 lb
F2
20 lb
F3
95 lb
a. Find the magnitude of the resultant force FR
b. Determine the direction of the resultant force FR, O measured clockwise from the positive z-axis
in degrees. Answer must be between 0 ° s0 s 90°
Round your final answers to 3 significant digits/figures.
FR
lb
degrees
In which quadrant is FR located? =
third
O second
O fourth
first
3.
Transcribed Image Text:Three forces are applied to a hook. F1 y 5 4 F2 12 13 F3 Values for the figure are given in the following table. Note the figure may not be to scale. Variable Value F 30 lb F2 20 lb F3 95 lb a. Find the magnitude of the resultant force FR b. Determine the direction of the resultant force FR, O measured clockwise from the positive z-axis in degrees. Answer must be between 0 ° s0 s 90° Round your final answers to 3 significant digits/figures. FR lb degrees In which quadrant is FR located? = third O second O fourth first 3.
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