1. Sign Convention: Let me write in prose some of the things which have been said in class.
Im assuming basic ideas and math are pretty much in hand, but perhaps some subtle
details of what actually happens are still a bit foggy (even though the math make
Problem Sheet No. 4
1.
Determine the magnitude of the pin reaction
at C.
Ans. C = 236 N
Figure P.S.4.1
2.
Determine the magnitude of the pin reaction
at A for the frame loaded by the 900-N
force.
Ans.
Figure P.S.4.2
3.
Compute the force supported by the p
Physics 30
Learner Assessment Branch
Data Sheets of Constants Equations Periodic Table of the Elements
PHYSICS DATA SHEET
Trigonometry and Vectors ag or g = 9.81 m/s or 9.81 N/kg
2
CONSTANTS
Gravity, Electricity, and Magnetism
Acceleration Due to Gravity
PHYSICS FORMULAS
2426
Electron = -1.602 19 10-19 C = 9.11 10-31 kg
Proton
= 1.602 19 10-19 C
= 1.67 10-27 kg
Neutron = 0 C
= 1.67 10-27 kg
23
6.022 10 atoms in one atomic mass unit
e is the elementary charge: 1.602 19 10-19 C
Potential Energy, velocity of
p=
EQUATIONS
Electric Field:
hf
; E = pc
c
q
F
E=k 2 =
r
q
where:
E
Klectricity and Magnetism
inematics
mv
qB
Charge per unit Area: [C/m2]
=
Energy Density: (in a vacuum) [J/m3]
u = 1 0 E 2
2
Capacitors in Series:
1
1
1
=
+
. .
Ceff
C1 C2
2 0c 2 0
0 = 4 1
Prefix ty,UsedtWith ,Sandnits gnetism
Gravies Elec ricity I U M a
Acceleration Due to GraEixy onential
v t p or
Gravitational Fieldol ear Earth.
Prefix
Symb N
Value
Trigonometry and Vectors
E x p o n e n ti a l
2
agrefix g = 9.81 m/sol or 9.81 N/kg
P or
S
AOE 2104Intro to Aerospace Engineering
AOE 2104
Introduction to Aerospace
Engineering
Lecture 2
Standard Atmosphere
Virginia Tech
Lecture 2
Fall 2012
AOE 2104Intro to Aerospace Engineering
Review of the Syllabus- Questions?
Virginia Tech
Lecture 2
Fall 20
Review Slides
Test 1
AOE 2104Intro to Aerospace Engineering
Fall 2011
The course will covering the following topics:
Standard Atmosphere
Aerodynamics
Fluid Forces and Moments
Aircraft Performance
Configuration Aerodynamics
Aircraft Stability and Control
A
Grade
Points
Completeness
Accuracy
A
4
All necessary steps shown,
unambiguously. Enough detail in each
step for someone other than the author
to code from the PC/flow chart alone.
All steps in right order, are
understandable, executable, and will
lead to
For problems where you are asked to rank items, items of different magnitudes should be
separated by commas, while those of the same magnitude should have no comma between
them. For example:
Rank the following numbers from highest to lowest
A) 7
B) 5
C) 5
MECHANICS
Equation Sheet
Trigonometry
Given ANY triangle
Law of Sines
a
b
c
=
=
sin sin sin
or
sin b
=
sin a
Law of Cosines
c 2 = a2 + b2 - (2ab )cos
or
a2 = c 2 + b2 - (2bc )cos
Force
W = mg
g = 32.2 ft s2 = 9.81 m s2
fMax Static = s N
fKinetic = k N
AOE 2104-Aerospace and Ocean Engineering
AOE 2104
Introduction to Aerospace
Engineering
Lecture 9
Stability and Control
Virginia Tech
Lecture 9
Fall 2012
AOE 2104-Aerospace and Ocean Engineering
Aircraft Control
Virginia Tech
Lecture 9
Fall 2012
AOE 2104-
AOE 2104-Aerospace and Ocean Engineering
AOE 2104
Introduction to Aerospace
Engineering
Lecture 6
Aircraft Flight Mechanics
Thrust Required for SSSL Flight
Virginia Tech
Lecture 6
Fall 2012
AOE 2104-Aerospace and Ocean Engineering
Fall 2012
A note on drag
AOE 2104-Aerospace and Ocean Engineering
AOE 2104
Introduction to Aerospace
Engineering
Lecture 5
Drag Polar
Basic Aerodynamic Configurations
Virginia Tech
Lecture 5
Fall 2012
AOE 2104-Aerospace and Ocean Engineering
Fall 2012
Some things to think about.
AOE 2104-Aerospace and Ocean Engineering
AOE 2104
Introduction to Aerospace
Engineering
Lecture 3
Basic Aerodynamics
Virginia Tech
Lecture 3
Fall 2012
AOE 2104-Aerospace and Ocean Engineering
Standard Atmosphere
Any questions ?
2 equations used to constru
AOE 2104 Homework 5
Due in CLASS mailbox by 2:00 pm on Oct. 30, 2012
Note: Please present your work legibly and in a logical order to avoid confusion and/or grading
errors by the TAs. If you have any questions regarding the homework problems feel free to
AOE 2104 Homework 4
Due in IN CLASS by 2:00 pm on Oct. 16, 2012
Note: Please present your work legibly and in a logical order to avoid confusion and/or grading
errors by the TAs. If you have any questions regarding the homework problems feel free to
visit
AOE 2104 Homework 3
Due in YOUR Instructors mailbox by noon on Oct. 1, 2012
Note: Please present your work legibly and in a logical order to avoid confusion and/or grading
errors by the TAs. If you have any questions regarding the homework problems feel f
AOE 2104 Homework 2
Due in YOUR Instructors mailbox in class on Sept. 20, 2012
Note: Please present your work legibly and in a logical order to avoid confusion and/or grading
errors by the TAs. If you have any questions regarding the homework problems fee
AOE 2104 Homework 1
Due at the BEGINNING of class on Sept. 6, 2012
Note: Please present your work legibly and in a logical order to avoid confusion and/or grading
errors by the TAs. If you have any questions regarding the homework problems feel free to
vi
AOE 2104 ESSAY I
The first essay will focus on a Wikipedia site related to an aerospace topic of your choice and a specific
citation within the information provided on the site. One place to look for aerospace engineering topics
on Wikipedia is: http:/en.
ADDENDUM
CHAPTER 21
Mutual inductance
Circulation of currents in
one coil can generate a field
in the coil that will extend to a
second, close by device.
Suppose i1
CHANGES
Flux
Changes
Current (emf) is
induced in 2nd
coil.
Mutual Inductance
3
i2
i1 cre