Consider the equlvalent force-and-moment system In this picture: D' Where does the resultant force act in the above case? (Select the correct answer.) O a. At the center of pressure. O b. At quarter-chord. OC. At the leading edge. d. At the center of mass.
Consider the equlvalent force-and-moment system In this picture: D' Where does the resultant force act in the above case? (Select the correct answer.) O a. At the center of pressure. O b. At quarter-chord. OC. At the leading edge. d. At the center of mass.
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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Transcribed Image Text:Consider the equlvalent force-and-moment system in this picture:
D'
Where does the resultant force act in the above case?
(Select the correct answer.)
O a. At the center of pressure.
O b. At quarter-chord.
O.At the leading edge.
d. At the center of mass.
![Question Completion Status
Where xs ne ostance rom me wading sdge n meters and pand Tarewnewtons per square meter
Calculate the normal and aial forces, the it and drag, moments about the leading edge and moments about the quarter chord, all per unit span
Alsa, calculate the location of the center of pressure
(Round axial force to the nearest whole number and other answers to two decimal places)
The relevant equations for the forces and moments are:
(P. cos + r, sin 0) ds. +
I(pr cose - sino)dsi
A'-/ (-P. sin e +r. cos0) ds, + (pi sine +cose) ds
Jui
TH
M -
I I(P. cos o + , sin )x - (P. sin 6-r, cos )ylds,
I(-P, cos ở +7, sino)x + (pi sin 0 + cos i)y]ds;
Answers:
The normal force is
x10 N
The axial force is
N.
x 105 N.
x 104 N.
The lift is
The drag is
The moment about the leading edge is
* 104 Nm
The moment about the quarter chord is
x 10 N/m.
The location of thne center of pressure is
m.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F98a834b7-1d0f-4090-a79e-2a22981564de%2F3ac23980-5821-429a-9329-2d39e20fffb1%2Fy3p9p3_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Question Completion Status
Where xs ne ostance rom me wading sdge n meters and pand Tarewnewtons per square meter
Calculate the normal and aial forces, the it and drag, moments about the leading edge and moments about the quarter chord, all per unit span
Alsa, calculate the location of the center of pressure
(Round axial force to the nearest whole number and other answers to two decimal places)
The relevant equations for the forces and moments are:
(P. cos + r, sin 0) ds. +
I(pr cose - sino)dsi
A'-/ (-P. sin e +r. cos0) ds, + (pi sine +cose) ds
Jui
TH
M -
I I(P. cos o + , sin )x - (P. sin 6-r, cos )ylds,
I(-P, cos ở +7, sino)x + (pi sin 0 + cos i)y]ds;
Answers:
The normal force is
x10 N
The axial force is
N.
x 105 N.
x 104 N.
The lift is
The drag is
The moment about the leading edge is
* 104 Nm
The moment about the quarter chord is
x 10 N/m.
The location of thne center of pressure is
m.
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